Create PR using BAPI_PR_create

Question

Hi Friends,
Can any body send step by step procedure to create PR using BAPI.
Also  when i try to create pr using bapi_pr_create , im  getting following error.
T ID                   NUM    MESSAGE
E ME                   083   Enter Document Type
E BAPI                 001  No instance of object type PurchaseRequisition has been created. External reference: # 5
E ME                   083 Enter Plant
E KI                   205 Cost accounting is not active in company code QP01
Regards,
Jaya

Answer 1

Example
TABLES:eban.
DATA: BEGIN OF itab OCCURS 0,
     NO(5),
     bnfpo LIKE eban-bnfpo,
     bsart LIKE eban-bsart,
     matnr LIKE eban-matnr,
     lgort LIKE eban-lgort,
     menge LIKE eban-menge,
     bednr LIKE eban-bednr,
     lfdat LIKE eban-lfdat,
     TX(132),
     END OF itab.
DATA :
prheader LIKE TABLE OF bapimereqheader WITH HEADER LINE,
prheaderx LIKE TABLE OF bapimereqheaderx WITH HEADER LINE,
PRITEMEXP LIKE TABLE OF BAPIMEREQITEM WITH HEADER LINE,
return LIKE TABLE OF bapiret2 WITH HEADER LINE,
pritem LIKE TABLE OF bapimereqitemimp WITH HEADER LINE,
pritemx LIKE TABLE OF bapimereqitemx WITH HEADER LINE,
PRITEMTEXT LIKE TABLE OF BAPIMEREQITEMTEXT WITH HEADER LINE.
DATA auxfilename LIKE rlgrap-filename.
CALL FUNCTION 'UPLOAD'
EXPORTING
   filename     = 'C:\PRCREATE.TXT'
   filetype     = 'DAT'
IMPORTING
   act_filename = auxfilename
TABLES
   data_tab     = itab.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
         WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.