Error in ALV grid

Hi ALV masters,
Plz help me ..
I have an ALV grid report where i have the data in my final table t_final.
now i'm trying to populate the fieldcat using FM reuse_alv_fieldcatalog_merge but its not at all getting populated.
CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'
    EXPORTING
      I_PROGRAM_NAME         = l_repid
      I_INTERNAL_TABNAME     = 'T_Final'
      I_INCLNAME             = l_repid
    CHANGING
      CT_FIELDCAT            = T_FIELDCAT[]
    EXCEPTIONS
      INCONSISTENT_INTERFACE = 1
      PROGRAM_ERROR          = 2
      OTHERS                 = 3.
Please help me and if possibl try to send som sample code also.
Thanks in advance..

Hi Mukesh,
this is my code.
plz tell where i'm going rong..
*& Report ZMMR_CHANGES *
Title : Material Master: Display Changes *
Description : This ABAP report will collectively list all material *
 master changes to the fields specified in the selection*
 criteria. *
Request No : SRDK922644 *
Author : Praveen Reddy *
Created on : 14-FEB-2007 *
REPORT ZMMR_CHANGES
 NO STANDARD PAGE HEADING
 message-id ZSPR.
TYPE-POOLS : SLIS.
TABLES : CDHDR , " Change document header
 CDPOS , " Change document item
 MARAV , " View Table for Logical DB MGM
 MARC , " Plant Data for Material
 MVKE . " Sales Data for Material
SELECTION-SCREEN BEGIN OF BLOCK A WITH FRAME TITLE TEXT-001.
SELECTION-SCREEN BEGIN OF BLOCK GENERAL WITH FRAME TITLE TEXT-002.
SELECT-OPTIONS :
 S_OBJCLS FOR CDHDR-OBJECTCLAS ,
 S_MATNR FOR CDHDR-OBJECTID ,
 S_WERKS FOR MARC-WERKS ,
 S_VKORG FOR MVKE-VKORG ,
 S_VTWEG FOR MVKE-VTWEG ,
 S_TABNAM FOR CDPOS-TABNAME ,
 S_FNAME FOR CDPOS-FNAME ,
 S_CHGIND FOR CDPOS-CHNGIND ,
 S_DATE FOR CDHDR-UDATE ,
 S_USER FOR CDHDR-USERNAME .
SELECTION-SCREEN END OF BLOCK GENERAL.
SELECTION-SCREEN END OF BLOCK A.
*Data : G_WERKS LIKE MARC-WERKS ,
 G_VKORG LIKE MVKE-VKORG ,
 G_VTWEG LIKE MVKE-VTWEG ,
 G_DESC LIKE MARAV-MAKTX .
TYPES : BEGIN OF TY_FOR_DISP ,
 OBJCLASS LIKE CDHDR-OBJECTCLAS ,
 OBJID LIKE CDHDR-OBJECTID ,
 WERKS LIKE MARC-WERKS ,
 VKORG LIKE MVKE-VKORG ,
 VTWEG LIKE MVKE-VTWEG ,
 DESC LIKE MARAV-MAKTX ,
 TABNAME LIKE CDPOS-TABNAME ,
 FNAME LIKE CDPOS-FNAME ,
 CHNGIND LIKE CDPOS-CHNGIND ,
 UDATE LIKE CDHDR-UDATE ,
 USERNAME LIKE CDHDR-USERNAME ,
 VALUE_OLD LIKE CDPOS-VALUE_OLD ,
 VALUE_NEW LIKE CDPOS-VALUE_NEW ,
 END OF TY_FOR_DISP .
TYPES : BEGIN OF TY_CDHDR,
 OBJCLASS LIKE CDHDR-OBJECTCLAS ,
 OBJID LIKE CDHDR-OBJECTID ,
 CHNGIND LIKE CDPOS-CHNGIND ,
 CHANGENR LIKE CDHDR-CHANGENR ,
 UDATE LIKE CDHDR-UDATE ,
 USERNAME LIKE CDHDR-USERNAME ,
 VALUE_OLD LIKE CDPOS-VALUE_OLD ,
 VALUE_NEW LIKE CDPOS-VALUE_NEW ,
 END OF TY_CDHDR .
TYPES : BEGIN OF TY_CDPOS,
 TABNAME LIKE CDPOS-TABNAME ,
 FNAME LIKE CDPOS-FNAME ,
 CHANGENR LIKE CDHDR-CHANGENR ,
 CHNGIND LIKE CDPOS-CHNGIND ,
 TABKEY LIKE CDPOS-TABKEY ,
 FIELDTEXT LIKE DFIES-FIELDTEXT,
 UDATE LIKE CDPOS-UDATE ,
 USERNAME LIKE CDPOS-USERNAME ,
 VALUE_OLD LIKE CDPOS-VALUE_OLD ,
 VALUE_NEW LIKE CDPOS-VALUE_NEW ,
 END OF TY_CDPOS .
DATA : T_FOR_DISP TYPE STANDARD TABLE OF TY_FOR_DISP
 WITH HEADER LINE ,
 T_CDHDR TYPE STANDARD TABLE OF TY_CDHDR
 WITH HEADER LINE ,
 T_CDPOS TYPE STANDARD TABLE OF TY_CDPOS
 WITH HEADER LINE .
DATA : G_LANGU LIKE SY-LANGU,
 G_TABIX LIKE SY-TABIX,
 G_DATE LIKE SY-DATUM.
DATA : G_WERKS LIKE MARC-WERKS ,
 G_VKORG LIKE MVKE-VKORG ,
 G_VTWEG LIKE MVKE-VTWEG ,
 G_DESC LIKE MARAV-MAKTX .
*------ALV Grid Field Catalog Fields
DATA: T_FIELDCAT TYPE SLIS_T_FIELDCAT_ALV,
 T_FIELDCAT_H LIKE T_FIELDCAT WITH HEADER LINE.
*------End
CONSTANTS : C_MATERIAL(10) VALUE 'MATERIAL' ,
 C_OBJCLASS(10) VALUE 'OBJCLASS' ,
 C_OBJECTID(8) VALUE 'OBJID' ,
 C_WERKS(5) VALUE 'WERKS' ,
 C_VKORG(5) VALUE 'VKORG' ,
 C_VTWEG(5) VALUE 'VTWEG' ,
 C_DESC(4) VALUE 'DESC' ,
 C_TABNAME(7) VALUE 'TABNAME' ,
 C_FNAME(5) VALUE 'FNAME' ,
 C_CHNGIND(7) VALUE 'CHNGIND' ,
 C_UDATE(5) VALUE 'UDATE' ,
 C_USERNAME(8) VALUE 'USERNAME' ,
 C_VALUE_OLD(9) VALUE 'VALUE_OLD' ,
 C_VALUE_NEW(9) VALUE 'VALUE_NEW' .
*CONSTANTS: C_TABNAM_FOR_ALV_FM TYPE SLIS_TABNAME VALUE 'T_FOR_DISP'.
INITIALIZATION *****************
INITIALIZATION.
CLEAR: T_CDHDR,
 T_CDPOS,
 T_FIELDCAT,
 T_FIELDCAT_H,
 T_FOR_DISP.
REFRESH:T_CDHDR,
 T_CDPOS.
CLEAR : CDHDR, " Change document header
 CDPOS. " Change document items
****START-OF-SELECTION.
START-OF-SELECTION.
*-FETCHING DETAILS of Changes done
PERFORM SUB_GET_DETAILS.
Get the field description.
PERFORM SUB_CALL_DDIF_FIELDINFO_GET.
****END-OF-SELECTION.
END-OF-SELECTION.
*--DISPLAYING DATA IN ALV
PERFORM SUB_DISPLAY_ALV.
*& Form SUB_GET_DETAILS
 This subrouting is used to get Final output which will shown in
 ALV Grid From Table CDPOS.
FORM SUB_GET_DETAILS.
SELECT OBJECTCLAS
 OBJECTID
 CHANGENR
 UDATE
 USERNAME
 INTO TABLE T_CDHDR
 FROM CDHDR
WHERE OBJECTCLAS IN S_OBJCLS
 AND OBJECTID IN S_MATNR
AND TABNAME IN S_TABNAM
AND FNAME IN S_FNAME
AND CHNGIND IN S_CHGIND
AND UDATE IN S_DATE
 AND UDATE IN S_DATE
 AND USERNAME IN S_USER .
IF SY-SUBRC <> 0.
WRITE:/ TEXT-003.
ENDIF.
LOOP AT T_CDHDR.
 CLEAR T_FOR_DISP.
IF T_CDHDR-OBJCLASS = C_MATERIAL.
 SELECT SINGLE MAKTX
 INTO G_DESC
 FROM MARAV
 WHERE MATNR = T_CDHDR-OBJID+0(18)
 AND SPRAS = SY-LANGU.
ENDIF.
 T_FOR_DISP-DESC = G_DESC.
 CLEAR G_DESC.
 CLEAR T_FOR_DISP.
 T_FOR_DISP-OBJCLASS = T_CDHDR-OBJCLASS .
 T_FOR_DISP-OBJID = T_CDHDR-OBJID .
 T_FOR_DISP-UDATE = T_CDHDR-UDATE .
 T_FOR_DISP-USERNAME = T_CDHDR-USERNAME .
*ENDIF.
 APPEND T_FOR_DISP.
ENDLOOP.
*ENDIF.
SELECT
 TABNAME
 FNAME
 CHANGENR
 CHNGIND
 TABKEY
 UDATE
 USERNAME
 VALUE_OLD
 VALUE_NEW
 FROM CDPOS
 INTO TABLE T_CDPOS
 FOR ALL ENTRIES IN T_CDHDR
 CDHDRCHANGENR = CDPOSCHANGENR
WHERE
 CHANGENR EQ T_CDHDR-CHANGENR
 AND TABNAME IN S_TABNAM
 AND FNAME IN S_FNAME
 AND CHNGIND IN S_CHGIND .
AND UDATE IN S_DATE.
AND OBJECTID IN S_DATE
AND USERNAME IN S_USER .
IF SY-SUBRC <> 0.
WRITE:/ TEXT-003.
ENDIF.
*CLEAR T_FOR_DISP.
READ TABLE T_CDPOS
 WITH KEY CHANGENR = T_CDHDR-CHANGENR.
CLEAR : G_WERKS,
 G_VKORG,
 G_VTWEG.
 G_DESC .
IF T_CDPOS-TABNAME = 'MARC'.
 G_WERKS = T_CDPOS-TABKEY+21(4).
ENDIF.
 CHECK G_WERKS IN S_WERKS.
IF SY-SUBRC = 0.
T_FOR_DISP-WERKS = G_WERKS.
ENDIF.
IF T_CDPOS-TABNAME = 'MVKE'.
 G_VKORG = T_CDPOS-TABKEY+21(4).
ENDIF.
 CHECK G_VKORG IN S_VKORG.
 T_FOR_DISP-VKORG = G_VKORG.
 G_VTWEG = T_CDPOS-TABKEY+25(2).
 CHECK G_VTWEG IN S_VTWEG.
 T_FOR_DISP-VTWEG = G_VTWEG.
 T_FOR_DISP-TABNAME = T_CDPOS-TABNAME.
 T_FOR_DISP-FNAME = T_CDPOS-FNAME.
 T_FOR_DISP-CHNGIND = T_CDPOS-CHNGIND.
 T_FOR_DISP-VALUE_OLD = T_CDPOS-VALUE_OLD.
 T_FOR_DISP-VALUE_NEW = T_CDPOS-VALUE_NEW.
APPEND T_FOR_DISP.
ENDLOOP.
ENDLOOP.
CLEAR T_FOR_DISP.
ENDFORM. " SUB_GET_DETAILS
*& Form SUB_DISPLAY_ALV
This Subroutine is used to display data to ALV Grid from internal *
tables T_CDHDR & T_CDPOS. which is filled in subroutine *
SUB_GET_DETAILS *
FORM SUB_DISPLAY_ALV .
BREAK-POINT.
DATA: l_layout type slis_layout_alv,
 l_title type lvc_title,
 l_repid like sy-repid.
l_repid = sy-repid.
CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'
 EXPORTING
 I_PROGRAM_NAME = l_repid
 I_INTERNAL_TABNAME = 'TY_FOR_DISP'
 I_INCLNAME = l_repid
 CHANGING
 CT_FIELDCAT = T_FIELDCAT[]
 EXCEPTIONS
 INCONSISTENT_INTERFACE = 1
 PROGRAM_ERROR = 2
 OTHERS = 3.
IF SY-SUBRC <> 0.
WRITE:/ 'ERROR IN CALLING ALV FM'.
ENDIF.
*----Change Field Heading We move All field data from T_FIELDCAT To
*----another Internal table with header line namely T_FIELDCAT_H
*CLEAR T_FIELDCAT_H[].
REFRESH T_FIELDCAT_H[].
BREAK-POINT.
MOVE T_FIELDCAT[] TO T_FIELDCAT_H[].
CLEAR G_TABIX.
LOOP AT T_FIELDCAT_H.
G_TABIX = SY-TABIX.
 CASE T_FIELDCAT_H-FIELDNAME.
 WHEN C_OBJCLASS.
 T_FIELDCAT_H-SELTEXT_L = TEXT-004.
 T_FIELDCAT_H-SELTEXT_M = TEXT-004.
 T_FIELDCAT_H-SELTEXT_S = TEXT-004.
 T_FIELDCAT_H-OUTPUTLEN = 15.
 WHEN C_OBJECTID.
 T_FIELDCAT_H-SELTEXT_L = TEXT-005.
 T_FIELDCAT_H-SELTEXT_M = TEXT-005.
 T_FIELDCAT_H-SELTEXT_S = TEXT-005.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_DESC.
 T_FIELDCAT_H-SELTEXT_L = TEXT-006.
 T_FIELDCAT_H-SELTEXT_M = TEXT-006.
 T_FIELDCAT_H-SELTEXT_S = TEXT-006.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_WERKS.
 T_FIELDCAT_H-SELTEXT_L = TEXT-007.
 T_FIELDCAT_H-SELTEXT_M = TEXT-007.
 T_FIELDCAT_H-SELTEXT_S = TEXT-007.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_VKORG.
 T_FIELDCAT_H-SELTEXT_L = TEXT-008.
 T_FIELDCAT_H-SELTEXT_M = TEXT-008.
 T_FIELDCAT_H-SELTEXT_S = TEXT-008.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_VTWEG.
 T_FIELDCAT_H-SELTEXT_L = TEXT-009.
 T_FIELDCAT_H-SELTEXT_M = TEXT-009.
 T_FIELDCAT_H-SELTEXT_S = TEXT-009.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_TABNAME.
 T_FIELDCAT_H-SELTEXT_L = TEXT-010.
 T_FIELDCAT_H-SELTEXT_M = TEXT-010.
 T_FIELDCAT_H-SELTEXT_S = TEXT-010.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_FNAME.
 T_FIELDCAT_H-SELTEXT_L = TEXT-011.
 T_FIELDCAT_H-SELTEXT_M = TEXT-011.
 T_FIELDCAT_H-SELTEXT_S = TEXT-011.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_CHNGIND.
 T_FIELDCAT_H-SELTEXT_L = TEXT-012.
 T_FIELDCAT_H-SELTEXT_M = TEXT-012.
 T_FIELDCAT_H-SELTEXT_S = TEXT-012.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_UDATE.
 T_FIELDCAT_H-SELTEXT_L = TEXT-013.
 T_FIELDCAT_H-SELTEXT_M = TEXT-013.
 T_FIELDCAT_H-SELTEXT_S = TEXT-013.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_USERNAME.
 T_FIELDCAT_H-SELTEXT_L = TEXT-014.
 T_FIELDCAT_H-SELTEXT_M = TEXT-014.
 T_FIELDCAT_H-SELTEXT_S = TEXT-014.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_VALUE_OLD.
 T_FIELDCAT_H-SELTEXT_L = TEXT-015.
 T_FIELDCAT_H-SELTEXT_M = TEXT-015.
 T_FIELDCAT_H-SELTEXT_S = TEXT-015.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN C_VALUE_NEW.
 T_FIELDCAT_H-SELTEXT_L = TEXT-016.
 T_FIELDCAT_H-SELTEXT_M = TEXT-016.
 T_FIELDCAT_H-SELTEXT_S = TEXT-016.
 T_FIELDCAT_H-OUTPUTLEN = 20.
 WHEN OTHERS.
 CONTINUE.
 ENDCASE.
 MODIFY T_FIELDCAT_H.
 CLEAR T_FIELDCAT_H.
ENDLOOP.
*BREAK-POINT.
MOVE T_FIELDCAT_H[] TO T_FIELDCAT[].
*----End
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
 exporting
 i_callback_program = l_repid
 i_callback_pf_status_set = 'SET_STATUS'
 i_callback_user_command = 'USER_COMMAND'
 i_callback_top_of_page = 'TOP_OF_PAGE'
 i_grid_title = l_title
 is_layout = l_layout
 it_fieldcat = t_fieldcat
 i_save = 'A'
 tables
 t_outtab = T_FOR_DISP[]
 exceptions
 program_error = 1
 others = 2.
IF SY-SUBRC <> 0.
 WRITE:/ TEXT-017.
ENDIF.
ENDFORM. " SUB_DISPLAY_ALV
*& Form TOP_OF_PAGE
 This subrouting is used to show heading to ALV Grid. This
 subrouting is called from subrouting 'SUB_DISPLAY_ALV', Function
'REUSE_ALV_GRID_DISPLAY' & export param 'i_callback_top_of_page'
*Form TOP_OF_PAGE.
DATA : L_HEADER TYPE SLIS_T_LISTHEADER,
 L_HEADER_H TYPE SLIS_LISTHEADER.
DATA : L_FROMDAT(10) TYPE C,
 L_TODATE(10) TYPE C.
*CONSTANTS : C_DOT(1) TYPE C VALUE '.',
 C_L_HEADER_H_TYP(1) VALUE 'H'. "---ALV Grid Header Type
CLEAR : L_HEADER.
**--To Manage Date Format
CONCATENATE S_DATE-LOW+6(2)
 C_DOT
 S_DATE-LOW+4(2)
 C_DOT
 S_DATE-LOW+0(4)
 INTO L_FROMDAT.
CONCATENATE S_DATE-HIGH+6(2)
 C_DOT
 S_DATE-HIGH+4(2)
 C_DOT
 S_DATE-HIGH+0(4)
 INTO L_TODATE.
**---End
IF L_TODATE <> '00.00.0000'.
 CONCATENATE 'Purchase Org:'(014)
 S_VKORG-LOW
 'PO changes from'(015)
 L_FROMDAT
 'To'(013)
 L_TODATE
 INTO L_HEADER_H-INFO SEPARATED BY SPACE.
ELSE.
 G_DATE = SY-DATUM.
 CONCATENATE 'CHANGES: '
 G_DATE
 INTO L_HEADER_H-INFO SEPARATED BY SPACE.
ENDIF.
Main report header
L_HEADER_H-TYP = C_L_HEADER_H_TYP.
APPEND L_HEADER_H TO L_HEADER.
CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
 EXPORTING
 IT_LIST_COMMENTARY = L_HEADER
 I_LOGO = ''.
*ENDFORM. "TOP_OF_PAGE
Plz look into this and suggest me ..thanks a lot.

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C is a constant
x is the colour number (from 1 to 9)
y is intensified (0 = off, 1 = on)
After changing the value of output table you need to run the method REFRESH_TABLE_DISPLAY for refreshing the output
Max

Error in field catalog in ALV grid display using classes at do_sum = "X'.

Hi,
I'm using classes in ALV Grid display.
the code for the field catalog is going to dump because of the statement in the field catalog for field 'netwr',do_sum = 'X'.
that do_sum = 'X' is not working and going to dump when executed.with out that do_sum it is working fine. the error in dump analysys is showing sap standard incude LSLVCF01.
 assign component
 <ls_fieldcat>-fieldname of structure rt_data to <g_field>.
 if sy-subrc ne 0.
 message x000(0k).
 endif.
sy-subrc is 4 when the program is being executed.
CODE:
FORM prepare_field_catalog CHANGING pt_fieldcat TYPE lvc_t_fcat.
DATA ls_fcat TYPE lvc_s_fcat.
ls_fcat-fieldname = 'VBELN1'.
ls_fcat-ref_field = 'VBELN'.
ls_fcat-ref_table = 'VBRK'.
ls_fcat-coltext = 'Invoice No'.
ls_fcat-seltext = 'Invoice No'.
APPEND ls_fcat TO pt_fieldcat.
CLEAR ls_fcat.
ls_fcat-fieldname = 'BUDAT'.
ls_fcat-ref_table = 'BKPF'.
ls_fcat-coltext = 'Invoice Date'.
ls_fcat-seltext = 'Invoice Date'.
APPEND ls_fcat TO pt_fieldcat.
CLEAR ls_fcat.
ls_fcat-fieldname = 'NETWR'.
ls_fcat-ref_field = 'NETWR'.
ls_fcat-ref_table = 'VBRK'.
ls_fcat-coltext = 'Value of Invoice'.
ls_fcat-seltext = 'Value of Invoice'.
ls_fcat-datatype = 'CURR'.
ls_fcat-do_sum = 'X'.
APPEND ls_fcat TO pt_fieldcat.
CLEAR ls_fcat.
ENDFORM.
can u please look in the code and rectify the error,
would appeciate ur response.
regards,
veera.

Hi,
try this..
ls_fcat-fieldname = 'NETWR'.
ls_fcat-ref_field = 'NETWR'.
ls_fcat-ref_table = 'VBRK'.
ls_fcat-coltext = 'Value of Invoice'.
ls_fcat-seltext = 'Value of Invoice'.
ls_fcat-datatype = 'CURR'.
ls_fcat-do_sum = 'X'.
ls_fcat-cfieldname = 'WAERS'.
APPEND ls_fcat TO pt_fieldcat.
CLEAR ls_fcat.
Regards
vijay

CL_SALV_BS_TT_RESULT_TABLE====CP error while downloading data from ALV grid

Hi ,
I am facing a problem when ever i am going to donload data from ALV grid to excel file.I am getting CL_SALV_BS_TT_RESULT_TABLE====CP error in GET_CELL_VALUE. Could you please provide me is there any OSS note or any patch required to solve this issue.
Thanks in Advance,
Venkatarao.

Hi,
Just refer to OSS note 1356898 for guidelines.
Regards,
Vasanth

Error in clicking save to local file button in alv grid?

Hi
I am getting error , While clicking on some buttons like save as local file button in alv grid display
How to rectify it
Thanks in advance

In your REUSE_ALV_GRID_DISPLAY
EXPORTING
I_SAVE = 'U'
put this field....and then check it will definitely work...

Error in clicking save to local file button in alv grid? urgent

>>>>> if lr_tabledescr->applies_to_data( <coltab_any> ) eq 'X'.
exactly i am getting error here
how to rectify this error
Error in clicking save to local file button and mail receipt button in alv grid?

In your REUSE_ALV_GRID_DISPLAY
EXPORTING
I_SAVE = 'U'
put this field....and then check it will definitely work...

ALV Grid OO Error

Hi Guys,
When i am executing the program for ALV grid using OO concepts i got thisn type of error
"Short text
Access via 'NULL' object reference not possible.
What happened?
Error in the ABAP Application Program
The current ABAP program "Z_TEST_PGM" had to be terminated because it has
come across a statement that unfortunately cannot be executed.
Error analysis
An exception occurred that is explained in detail below.
The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not
caught in
procedure "ALVGRID_OO_DISPLAY" "(FORM)", nor was it propagated by a RAISING
clause.
Since the caller of the procedure could not have anticipated that the
exception would occur, the current program is terminated.
The reason for the exception is:
You attempted to use a 'NULL' object reference (points to 'nothing')
access a component (variable: "GRID").
An object reference must point to an object (an instance of a class)
before it can be used to access components.
Either the reference was never set or it was set to 'NULL' using the
CLEAR statement."
The code for this one is .
Data : grid type ref to cl_gui_alv_grid,
g_custom_container type ref to cl_gui_custom_container,
FCAT TYPE LVC_T_FCAT,
gt_final1 type table of t_Final_out.
Initialization.
v_repid = sy-repid.
set screen '101'.
MODULE STATUS_0101 output.
if g_custom_container is initial .
create object g_custom_container
Exporting
Container_name = 'CCCONTAINER'.
Create Object grid
Exporting
I_Parent = g_custom_container.
Endif.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
EXPORTING
I_STRUCTURE_NAME = 't_final_out'
CHANGING
CT_FIELDCAT = FCAT[].
ENDMODULE.
Perform ALVGRID_OO_Display.
Form ALVGRID_OO_Display.
*set screen '101'.
Call Method grid->set_table_for_first_display
Exporting I_Structure_name = 't_final_out'
Changing it_outtab = gt_final1.
Endform.
't_final_out' is the final output Structure of the Internal table.
Please respond to this thread.
Thanks,
Gopi

t_final_out is a local structure do n't give this structure create a global structure in se11 with the fields used and pass that structure to FM 'LVC_FIELDCATALOG_MERGE'. this will sove your problem.
if helpful reward some points.

Time out error in production server for alv grid report

hi. i have developed alv grid report using nested select statments. when i testing in development server it is giving the output but in production server if i give 4 months then it is showing time out error.please help me out..its urgent.
Thanks in advance.

Hi Manu,
Don't use Nested selected statements.
Use the Following Performance Tuning Options that i have given below so that your problem can be solved.
1) Always check the driver internal tables is not empty, while using FOR ALL ENTRIES
2) Avoid for all entries in JOINS
3) Try to avoid joins and use FOR ALL ENTRIES.
4) Try to restrict the joins to 1 level only ie only for tables
5) Avoid using Select *.
6) Avoid having multiple Selects from the same table in the same object.
7) Try to minimize the number of variables to save memory.
8) The sequence of fields in 'where clause' must be as per primary/secondary index ( if any)
9) Avoid creation of index as far as possible
10) Avoid operators like <>, > , < & like % in where clause conditions
11) Avoid select/select single statements in loops.
12) Try to use 'binary search' in READ internal table. Ensure table is sorted before using BINARY SEARCH.
13) Avoid using aggregate functions (SUM, MAX etc) in selects ( GROUP BY , HAVING,)
14) Avoid using ORDER BY in selects
15) Avoid Nested Selects
16) Avoid Nested Loops of Internal Tables
17) Try to use FIELD SYMBOLS.
18) Try to avoid into Corresponding Fields of
19) Avoid using Select Distinct, Use DELETE ADJACENT

Reward Points for sure if you find it useful. 
Regards
Babu

Control Framework: Fatal error - GUI cannot be reached-ALV Grid in Bckgrnd

I have an ALV grid which dumps in the background. But works fine in the foreground.
I thought I am not using Control framework anywhere. But I get 'COntrol framework :Fatal error - GU cannot be reached' error.
I am using a docking container that I have split using a splitter.
I have no custom container in my screen. What else could be causing the Control framework error ? Any suggestions is appreciated. But please do not tell me to use 'REUSE_ALV*' or Classical reporting
Here are the PBO modules of my screen and here are my data declarations.
ALV Data declarations :
data :gt_sort type lvc_t_sort,
 gr_event_handler TYPE REF TO lcl_event_handler ,
 o_docking type ref to cl_gui_docking_container,"Docking Container
 o_grid type ref to cl_gui_alv_grid,"Grid
 o_split type ref to cl_gui_easy_splitter_container,"Splitter
 o_top_container type ref to cl_gui_container, "Top Container
 o_bottom_container type ref to cl_gui_container,"Bottom Container
 o_document type ref to cl_dd_document. "Document
module status_0100 output.
if o_docking is initial.
set pf-status 'ZSTATUS_0100'.
set titlebar 'ZTITLE_0100'.
Creating Objects
perform create_objects.
Filling top of page
perform fill_top_of_page.
Filling the fieldcatalog table
perform build_fieldcat. "we already got'em
Displaying the output
perform display_output.
endif.
Here is the Form Create_objects called in the PBO.
form create_objects .
Creating Docking Container
CREATE OBJECT o_docking
 EXPORTING
 RATIO = '95'.
IF sy-subrc eq 0.
Splitting the Docking container
 CREATE OBJECT o_split
 EXPORTING
 PARENT = o_docking
 sash_position = 25 "Position of Splitter Bar (in Percent)
 with_border = 0. "With Border = 1 Without Border = 0
Placing the containers in the splitter
 o_top_container = o_split->top_left_container .
 o_bottom_container = o_split->bottom_right_container .
Creating Grid
 CREATE OBJECT o_grid
 EXPORTING
 i_parent = o_bottom_container.
Creating the document
 CREATE OBJECT o_document
 EXPORTING
 style = 'ALV_GRID'.
 CREATE OBJECT gr_event_handler .
ENDIF.
endform. " create_objects
form fill_top_of_page .
data : lv_char(255) type c.
Calling the methods for dynamic text
 CALL METHOD o_document->add_gap
 EXPORTING
 width = 140.
CALL METHOD o_document->add_text
 EXPORTING
 text = 'Plant Attainment Report '
 sap_fontsize = 'Large'
 sap_color = cl_dd_area=>list_key_int
 sap_emphasis = cl_dd_area=>strong. " For bold
Display the data
CALL METHOD o_document->display_document
 EXPORTING
 parent = o_top_container.
Calling the method of ALV to process top of page
CALL METHOD o_grid->list_processing_events
 EXPORTING
 i_event_name = 'TOP_OF_PAGE'
 i_dyndoc_id = o_document.
endform. " fill_top_of_page
form display_output .
gx_variant-report = sy-repid.
gs_layout-zebra = 'X'.
gs_layout-sel_mode ='X'.
gs_layout-cwidth_opt = 'X'.
call method o_grid->set_table_for_first_display
 exporting
 is_variant = gx_variant
 i_save = 'A'
 is_layout = gs_layout
 changing
 it_fieldcatalog = it_fldcat
 it_outtab = <gt_tabletotal>.
 IF sy-subrc <> 0.
 MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
 ENDIF.
 SET HANDLER gr_event_handler->handle_print_top_of_page FOR o_grid .
endform. " display_output
Edited by: Shareen Hegde on Jul 23, 2009 5:03 PM (I have no clue why
.. doesn't work anymore. My code looks messed up..Sorry folks!

Nilesh,
If i put all these create objects inside the IF CL_GUI_ALV_GRID=>OFFLINE( ) IS INITIAL. ENDIF , will I be still able to use ,
call method o_grid->set_table_for_first_display
 exporting
 is_variant = gx_variant
 i_save = 'A'
 is_layout = gs_layout
 changing
 it_fieldcatalog = it_fldcat
 it_outtab = <gt_tabletotal>.
 in background ? WIll I not get - OBJECTS_OBJREF_NOT_ASSIGNED erorr ?
How can I call the set_table_for_first_display without creating the object reference ?
Here is my creat object routine.
form create_objects .
* Creating Docking Container
IF CL_GUI_ALV_GRID=>OFFLINE( ) .
CREATE OBJECT o_docking
 EXPORTING
 RATIO = '95'.
IF sy-subrc eq 0.
* Splitting the Docking container
 CREATE OBJECT o_split
 EXPORTING
 PARENT = o_docking
 sash_position = 25 "Position of Splitter Bar (in Percent)
 with_border = 0. "With Border = 1 Without Border = 0
* Placing the containers in the splitter
 o_top_container = o_split->top_left_container .
 o_bottom_container = o_split->bottom_right_container .
* Creating Grid
 CREATE OBJECT o_grid
 EXPORTING
 i_parent = o_bottom_container.
* Creating the document
 CREATE OBJECT o_document
 EXPORTING
 style = 'ALV_GRID'.
 ENDIF.
 CREATE OBJECT gr_event_handler .
endif.
endform. " create_objects

ALV GRID Display function module giving Run time error

Hello Experts,
I have ALV report, In which I am using ALV grid dispaly FM to display the report.
But when my out table which I am passing to FM is empty that time ALV grid display shows blank ALV report. but when out table is not empty that time I am getting the Run time error, which shows message "Field symbol has not yet been assigned".
Can any one please help me out in this.
Thanks

TYPES: BEGIN OF type_out,
 col00 TYPE ytlet-rzzyyproduct,
 col01 TYPE ytlet-kslvt,
 col02 TYPE ytlet-kslvt,
 col03 TYPE ytlet-kslvt,
 col04 TYPE ytlet-kslvt,
 col05 TYPE ytlet-kslvt,
 col06 TYPE ytlet-kslvt,
 col07 TYPE ytlet-kslvt,
 col08 TYPE ytlet-kslvt,
 col09 TYPE ytlet-kslvt,
 col10 TYPE ytlet-kslvt,
 col11 TYPE ytlet-kslvt,
 col12 TYPE ytlet-kslvt,
 col13 TYPE ytlet-kslvt,
 col14 TYPE ytlet-kslvt,
 col15 TYPE ytlet-kslvt,
 col16 TYPE ytlet-kslvt,
 col17 TYPE ytlet-kslvt,
 col18 TYPE ytlet-kslvt,
 col19 TYPE ytlet-kslvt,
 col20 TYPE ytlet-kslvt,
 col21 TYPE ytlet-kslvt,
 col22 TYPE ytlet-kslvt,
 col23 TYPE ytlet-kslvt,
 col24 TYPE ytlet-kslvt,
 col25 TYPE ytlet-kslvt,
 col26 TYPE ytlet-kslvt,
 col27 TYPE ytlet-kslvt,
 col28 TYPE ytlet-kslvt,
 col29 TYPE ytlet-kslvt,
 col30 TYPE ytlet-kslvt,
 col31 TYPE ytlet-kslvt,
 col32 TYPE ytlet-kslvt,
 col33 TYPE ytlet-kslvt,
 col34 TYPE ytlet-kslvt,
 col35 TYPE ytlet-kslvt,
 col36 TYPE ytlet-kslvt,
 col37 TYPE ytlet-kslvt,
 col38 TYPE ytlet-kslvt,
 col39 TYPE ytlet-kslvt,
 col40 TYPE ytlet-kslvt,
 col41 TYPE ytlet-kslvt,
 col42 TYPE ytlet-kslvt,
 col43 TYPE ytlet-kslvt,
 col44 TYPE ytlet-kslvt,
 END OF type_out.
DATA: t_fieldcat TYPE slis_t_fieldcat_alv, "Field catelog table
 w_fieldcat TYPE slis_fieldcat_alv, "Field catelog Work area
 w_layout TYPE slis_layout_alv, "Layout structure
 w_event TYPE slis_alv_event, "Event structure
 t_event TYPE slis_t_event, "Event structure
 t_sort TYPE STANDARD TABLE OF slis_sortinfo_alv,
 t_callback_main_user_command TYPE slis_formname,
 v_selfield TYPE slis_selfield.
FIELD-SYMBOLS: <ksl>.
FORM DISPLAY_REPORT .
*Prepare Field Catlog
PERFORM creat_field_catlog.
*Set layout
PERFORM set_layout.
*Get Event
PERFORM get_event.
*Display Report
PERFORM display_alv_report.
ENDFORM. " DISPLAY_REPORT
FORM creat_field_catlog .
PERFORM add_fields_catlog USING:
 '01' 'RZZYYPRODUCT' 'IT_OUT' 'MPMs' ' ',
 '02' 'KSLVT' 'IT_OUT' 'License Fee' ' ',
 '03' 'KSLVT' 'IT_OUT' 'Ad Sales' ' ',
 '04' 'KSLVT' 'IT_OUT' 'Promo Fees' ' ',
 '05' 'KSLVT' 'IT_OUT' 'Total Ad Sales/Promo' ' ',
 '06' 'KSLVT' 'IT_OUT' 'Other' ' ',
 '07' 'KSLVT' 'IT_OUT' 'Total' ' ',
 '08' 'KSLVT' 'IT_OUT' 'Dom Station' ' ',
 '09' 'KSLVT' 'IT_OUT' 'Basic Cable/Free VOD' ' ',
 '10' 'KSLVT' 'IT_OUT' 'License Fee' ' ',
 '11' 'KSLVT' 'IT_OUT' 'Ad Sales (incl Internet)' ' ',
 '12' 'KSLVT' 'IT_OUT' 'Promo Fees' ' ',
 '13' 'KSLVT' 'IT_OUT' 'Ad Sales & Promo Fees' ' ',
 '14' 'KSLVT' 'IT_OUT' 'Foreign' ' ',
 '15' 'KSLVT' 'IT_OUT' 'Pay TV' ' ',
 '16' 'KSLVT' 'IT_OUT' 'Other' ' ',
 '17' 'KSLVT' 'IT_OUT' 'Total' ' ',
 '18' 'KSLVT' 'IT_OUT' 'Home Entertainment' ' ',
 '19' 'KSLVT' 'IT_OUT' 'SPTI' ' ',
 '20' 'KSLVT' 'IT_OUT' 'All Other Divisions' ' ',
 '21' 'KSLVT' 'IT_OUT' 'Total' ' ',
 '22' 'KSLVT' 'IT_OUT' 'Total Revenue' ' ',
 '23' 'KSLVT' 'IT_OUT' 'PV Net Down & Producers Share' '',
 '24' 'KSLVT' 'IT_OUT' 'Total Net Revenue' ' ',
 '25' 'KSLVT' 'IT_OUT' 'Development Expense' ' ',
 '26' 'KSLVT' 'IT_OUT' 'SOP Deficits' ' ',
 '27' 'KSLVT' 'IT_OUT' 'Amortization' ' ',
 '28' 'KSLVT' 'IT_OUT' 'Other COS ' ' ',
 '29' 'KSLVT' 'IT_OUT' 'Total COS' ' ',
 '30' 'KSLVT' 'IT_OUT' 'Profit Before Releasing' ' ',
 '31' 'KSLVT' 'IT_OUT' 'Gross Profit %' ' ',
 '32' 'KSLVT' 'IT_OUT' 'SPT' ' ',
 '33' 'KSLVT' 'IT_OUT' 'Home Entertainment' ' ',
 '34' 'KSLVT' 'IT_OUT' 'SPTI' ' ',
 '35' 'KSLVT' 'IT_OUT' 'All Other Divisions' ' ',
 '36' 'KSLVT' 'IT_OUT' 'Other' ' ',
 '37' 'KSLVT' 'IT_OUT' 'Total' ' ',
 '38' 'KSLVT' 'IT_OUT' 'Gross Profit' ' ',
 '39' 'KSLVT' 'IT_OUT' 'SPT' ' ',
 '40' 'KSLVT' 'IT_OUT' 'Home Entertainment' ' ',
 '41' 'KSLVT' 'IT_OUT' 'SPTI' ' ',
 '42' 'KSLVT' 'IT_OUT' 'All Other Divisions' ' ',
 '43' 'KSLVT' 'IT_OUT' 'Other' ' ',
 '44' 'KSLVT' 'IT_OUT' 'Total' ' ',
 '45' 'KSLVT' 'IT_OUT' 'Net Margin' ' '.
ENDFORM. " CREAT_FIELD_CATLOG
*& Form ADD_FIELDS_CATLOG
 Filling of field Catlog
FORM add_fields_catlog USING p_colpos
 p_fildname
 p_tabname
 p_fildtext
 p_ndisplay.
w_fieldcat-row_pos = '1'.
w_fieldcat-col_pos = p_colpos.
w_fieldcat-fieldname = p_fildname.
w_fieldcat-tabname = p_tabname.
w_fieldcat-reptext_ddic = p_fildtext.
w_fieldcat-no_out = p_ndisplay.
APPEND w_fieldcat TO t_fieldcat.
CLEAR: w_fieldcat.
ENDFORM. " ADD_FIELDS_CATLOG
*& Form SET_LAYOUT
 Set Layout
FORM set_layout .
w_layout-colwidth_optimize = 'X'.
ENDFORM. " SET_LAYOUT
*& Form GET_EVENT
 text
FORM get_event .
w_event-name = 'TOP-OF-PAGE'.
w_event-form = 'F_TOP-OF_PAGE'.
APPEND w_event TO t_event.
ENDFORM. " GET_EVENT
*& Form TOP-OF-PAGE
 Top of Page
FORM top-of-page.
DATA : t_list_commentry TYPE slis_t_listheader,
 w_header TYPE slis_listheader,
 lv_text(90) TYPE c,
 l_text(90) TYPE c,
 lv_rundate(10) TYPE c,
 lv_runtime(10) TYPE c.
CONSTANTS: c_space(2) TYPE c VALUE ' ',
 c_space2(6) TYPE c VALUE ' '.
w_header-typ = 'S'.
w_header-key = 'Program:'.
w_header-info = sy-repid.
APPEND w_header TO t_list_commentry.
WRITE: sy-datum TO lv_rundate MM/DD/YYYY.
WRITE: sy-uzeit TO lv_runtime USING EDIT MASK '__:__:__'.
CLEAR w_header.
w_header-typ = 'S'.
w_header-key = text-021.
w_header-info = lv_rundate.
APPEND w_header TO t_list_commentry.
CLEAR: w_header.
w_header-typ = 'S'.
w_header-key = 'User Id'.
w_header-info = sy-uname.
APPEND w_header TO t_list_commentry.
CLEAR: w_header.
w_header-typ = 'S'.
w_header-key = 'Run Date'.
w_header-info = lv_rundate.
APPEND w_header TO t_list_commentry.
CLEAR: w_header.
w_header-typ = 'S'.
w_header-key = 'Run Time'.
w_header-info = lv_runtime.
APPEND w_header TO t_list_commentry.
CLEAR: w_header.
w_header-typ = 'H'.
w_header-key = 'order'.
w_header-info = 'MCR Report'.
APPEND w_header TO t_list_commentry.
CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
 EXPORTING
 it_list_commentary = t_list_commentry.
ENDFORM. "TOP-OF-PAGE
FORM display_alv_report .
CONSTANTS : gc_save TYPE c VALUE 'A'. "Save Layout
t_callback_main_user_command = c_user_command.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
 EXPORTING
I_INTERFACE_CHECK = ' '
I_BYPASSING_BUFFER = ' '
I_BUFFER_ACTIVE = ' '
 i_callback_program = sy-repid
I_CALLBACK_PF_STATUS_SET = ' '
 i_callback_user_command = t_callback_main_user_command
 i_callback_top_of_page = 'TOP-OF-PAGE'
I_CALLBACK_HTML_TOP_OF_PAGE = ' '
I_CALLBACK_HTML_END_OF_LIST = ' '
I_STRUCTURE_NAME =
I_BACKGROUND_ID = ' '
I_GRID_TITLE =
I_GRID_SETTINGS =
 is_layout = w_layout
 it_fieldcat = t_fieldcat
IT_EXCLUDING =
IT_SPECIAL_GROUPS =
IT_SORT =
IT_FILTER =
IS_SEL_HIDE =
I_DEFAULT = 'X'
 i_save = gc_save
IS_VARIANT =
IT_EVENTS =
IT_EVENT_EXIT =
IS_PRINT =
IS_REPREP_ID =
I_SCREEN_START_COLUMN = 0
I_SCREEN_START_LINE = 0
I_SCREEN_END_COLUMN = 0
I_SCREEN_END_LINE = 0
I_HTML_HEIGHT_TOP = 0
I_HTML_HEIGHT_END = 0
IT_ALV_GRAPHICS =
IT_HYPERLINK =
IT_ADD_FIELDCAT =
IT_EXCEPT_QINFO =
IR_SALV_FULLSCREEN_ADAPTER =
IMPORTING
E_EXIT_CAUSED_BY_CALLER =
ES_EXIT_CAUSED_BY_USER =
 TABLES
 t_outtab = it_out
EXCEPTIONS
PROGRAM_ERROR = 1
OTHERS = 2
 ENDIF.

Runtime Error - TABLE_FREE_IN_LOOP in editable ALV GRID

While modifying editable ALV Grid, (CL_GUI_ALV_GRID) I am getting an unexpected dump as follows -
"Runtime Error TABLE_FREE_IN_LOOP".
In a Editable ALV grid whenever new row is added using standard append row button, And while saving, i check for any initial values, in that case iam displaying a warning message. So after that when i try to modify the row, and press enter key, Iam getting this dump "TABLE_FREE_IN_LOOP".
Can you please help on this regard.
Thanks in advance..
Best regards,
Prasad.

Hello Krishna
take a additional internal table which is exactly of same type of the internal table which you want to modify . try modifying the second internal table. and then proceed for db update(if required).
Regards,
Suvendu

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