CALL FUNCTION 'BAPI_REQUISITION_GETDETAIL'
EXPORTING
number = gt_change-banfn
TABLES
requisition_items = gt_reqitems
return = return.

LOOP AT gt_reqitems INTO gs_reqitem.
MOVE-CORRESPONDING gs_reqitem TO gs_reqitem_old.
MOVE-CORRESPONDING gs_reqitem TO gs_reqitem_new.
APPEND gs_reqitem_old TO gt_reqitems_old.
APPEND gs_reqitem_new TO gt_reqitems_new.

[...Вырезан кусочек...]

ENDLOOP.

[...Вырезан кусочек...]

CALL FUNCTION 'BAPI_REQUISITION_CHANGE'
EXPORTING
number = gt_change-banfn
TABLES
requisition_items_old = gt_reqitems_old
requisition_items_new = gt_reqitems_new
return = return
extensionin = gt_extin.

CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'
EXPORTING
wait = 'X'.