2773183 - Dump ITAB_LINE_NOT_FOUND in CL_GOAL_ODATA occurs when using API_SALES_ORDER_SRV/A_SalesOrderItem

• When trying to add an item to an existing order in T-Code /IWFND/GW_CLIENT using API_SALES_ORDER_SRV/A_SalesOrderItem, ~status_code returns 500 and "RFC Error: Runtime error occurred in backend system" is displayed.
• From ST22, following dump is generated:
  

  Category	ABAP programming error
  Runtime Errors	ITAB_LINE_NOT_FOUND
  Except.	CX_SY_ITAB_LINE_NOT_FOUND
  ABAP Program	CL_GOAL_ODATA=================CP
  Application Component	SD-SLS-GF

  
  The source codes are:
  

  15       if iv_create_bo = abap_false.    16         data(lt_source_key) = io_tech_request_context->get_source_keys( ).    17    18         mac_get_draft_id lt_source_key lv_draft_id. >>>>>         mac_get_bo_key   lt_source_key lv_bo_key.    20    21         open_access(

• Sales and Distrubution (SD)
• SAP S4SCORE 103

"ITAB_LINE_NOT_FOUND", CX_SY_ITAB_LINE_NOT_FOUND, "CL_GOAL_ODATA=================CP", CL_GOAL_ODATA=================CM002, "IF_GOAL_ODATA~CREATE_ENTITY", CL_SD_S4H_SDOC_GODATA, CL_SD_API_SALES_ORDER_DPC_EXT,  CL_SD_API_SALES_ORDER_DPC , KBA , SD-SLS-GF , Basic Functions , SD-SLS-API , APIs for Sales Document in S/4 Sales & Distribution , Problem