Run Time Error - You attempted to access an unassigned field s

Question

Dear All
I created a report to display purchase order history. there is no syntax error.but runtime which i have pasted below.
help me to find the error.
Runtime Errors         GETWA_NOT_ASSIGNED
Date and Time          26.02.2008 06:25:56
Short text
     Field symbol has not yet been assigned.
Error analysis
     You attempted to access an unassigned field s
     (data segment 32820).
     This error may occur if
     - You address a typed field symbol before it
       ASSIGN
     - You address a field symbol that pointed to
       internal table that was deleted
     - You address a field symbol that was previou
       UNASSIGN or that pointed to a local field t
       longer exists
     - You address a global function interface, al
       respective function module is not active -
       not in the list of active calls. The list o
       can be taken from this short dump.
Trigger Location of Runtime Error
    Program                                 SAPLSLVC
    Include                                 LSLVCF36
    Row                                     3.176
    Module type                             (FORM)
    Module Name                             FILL_DATA_TABLE
Source Code Extract
Line  SourceCde
3146                               alv_style_align_center_top.
3147         endif.
3148
3149         append ls_lvc_data to ct_lvc_data.
3150       endif.
3151
3152 ************************************
3153 * Column per Fieldcat Entry
3154 ************************************
3155       loop at it_fcat_local assigning <ls_fcat>.
3156         clear: ls_lvc_data-href_hndl,
3157                ls_lvc_data-drdn_hndl,
3157                ls_lvc_data-drdn_hndl,
3158                ls_lvc_data-style,
3159                ls_lvc_data-style2,
3160                ls_lvc_data-style3,
3161                ls_lvc_data-style4,
3162                ls_lvc_data-maxlen.
3163
3164         clear: lt_color_lvc, lt_color_slis.
3165
3166         add 1 to ls_lvc_data-col_pos.
3167
3168         if not <ls_fcat>-indx_field is initial.
3169           assign component <ls_fcat>-indx_field
3170                            of structure <ls_data> to <l_field_value>.
3171         else.
3172           assign component <ls_fcat>-fieldname
3173                            of structure <ls_data> to <l_field_value>.
3174         endif.
3175
>>>>         macro_cell_data_get
3177           <ls_fcat>
3178           <ls_data>
3179           <l_field_value>
3180           ls_lvc_data-value.
3181
3182 *>>> new API
3183         if ir_salv_adapter is bound.
3184           clear ls_lvc_data-style.
3185
3186 * color
3187           if g_gui_type ne 1.
3188             if <ls_fcat>-key eq abap_true.
3189               ls_lvc_data-style = alv_style_color_int_key.
3190             elseif l_style_color is initial
3191                   and ( <ls_fcat>-emphasize is initial or
3192                         <ls_fcat>-emphasize = '$' ).
3193               if <ls_stin>-counter is initial.
3194                 ls_lvc_data-style = alv_style_color_normal.
3195               else.

Answer 1

Hi
You are getting the dump because you have not populated the field catalog properly.  There will be some mistake in the structure which you are using.  Kindly check the same.
THanks
Vijay
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Edited by: Alvaro Tejada Galindo on Feb 26, 2008 12:41 PM