CRAETE OPERATION USING BAPI_ALM_ORDER_MAINTAIN

HI ABAP EXPERTS,

I am trying to create components and operations for an existing order(IW32) .

i can create component correctly,but i face a problem creating new operation

this is my bapi

could you provide me solving the error?

DATA wa_header_up TYPE bapi_alm_order_headers_up.
 DATA itab_header_up TYPE TABLE OF bapi_alm_order_headers_up.
 
 DATA wa_operation_up TYPE bapi_alm_order_operation_up.
 DATA it_operation_up TYPE TABLE OF bapi_alm_order_operation_up.
 
 
 data:
        IT_PLANT TYPE STANDARD TABLE OF  BAPI_ALM_ORDER_HEADERS_I-PLANPLANT, "HADY PLANT
        WA_PLANT LIKE LINE OF IT_PLANT,
 
 
 it_methods type standard table of bapi_alm_order_method,
 wa_methods like line of it_methods,
 it_header type standard table of bapi_alm_order_headers_i,
 wa_header like line of it_header,
 it_header_up type standard table of bapi_alm_order_headers_up,
 it_header_srv type standard table of bapi_alm_order_srvdat_e,
 it_header_srv_up type standard table of bapi_alm_order_srvdat_up,
 it_userstatus type standard table of bapi_alm_order_usrstat,
 it_partner type standard table of bapi_alm_order_partn_mul,
 wa_partner like line of it_partner,
 it_partner_up type standard table of bapi_alm_order_partn_mul_up,
 it_operation type standard table of bapi_alm_order_operation,
 wa_operation like line of it_operation,
 *it_operation_up type standard table of bapi_alm_order_operation_up,
 it_relation type standard table of bapi_alm_order_relation ,
 it_relation_up type standard table of bapi_alm_order_relation_up ,
 it_component type standard table of bapi_alm_order_component,
 wa_component like LINE OF it_component,
 it_component_up type standard table of bapi_alm_order_component_up,
 it_text type standard table of bapi_alm_text,
 it_text_lines type standard table of bapi_alm_text_lines,
 extension_in type standard table of bapiparex,
 return type standard table of bapiret2,
 wa_return like line of return,
 et_numbers type standard table of bapi_alm_numbers,
 wa_numbers like line of et_numbers.
 
 
 
 
  wa_methods-refnumber = 1.
  wa_methods-objecttype = 'OPERATION'.
  wa_methods-method = 'CREATE'.
  wa_methods-objectkey = '%00000000001'.
  APPEND wa_methods TO it_methods.
 
 
  wa_methods-refnumber = 1.
  wa_methods-objecttype = ' '.
  wa_methods-method = 'SAVE'.
  wa_methods-objectkey = ORDERNO.
  APPEND wa_methods TO IT_methods.
 
 
  wa_header-orderid = ORDERNO.
  wa_header-order_type = 'ZSM2'.
  wa_header-mn_wk_ctr = 'HAHV'.
  WA_HEADER-EQUIPMENT = '000000000010008442'.
  wa_header-start_date = '20150217'.
  wa_header-FINISH_DATE = '20150217'.
  wa_header-short_text = 'HEADER'.
  wa_header-NOTIF_NO = '300002927'.
  APPEND wa_header TO IT_header.
 
  wa_header_up-mn_wk_ctr = 'X'.
  WA_HEADER_up-EQUIPMENT = 'X'.
 
  wa_header_up-start_date = 'X'.
  wa_header_up-short_text = 'X'.
  APPEND wa_header_up TO itab_header_up.
 
  wa_operation-activity = '0010'.
  WA_OPERATION-WORK_CNTR = 'HAHV'.
  wa_operation-control_key = 'SM01'.
  wa_operation-plant = 'BC20'.
  WA_OPERATION-DESCRIPTION = 'OPERATION DESCRIPTION'.
  APPEND wa_operation TO IT_operation.
 
  wa_operation_UP-activity = 'X'.
  WA_OPERATION_UP-WORK_CNTR = 'X'.
  wa_operation_UP-control_key = 'X'.
  wa_operation_UP-plant = 'X'.
  wa_operation_UP-description = 'X'.
 
  APPEND wa_operation_up TO IT_operation_up.
 
 
 
 
 
 
 
 
 
 
 
     wa_methods-refnumber = '000001'.
     wa_methods-objecttype = ''.
     wa_methods-method = 'SAVE'.
     wa_methods-objectkey =  ORDERNO.
     append wa_methods to it_methods.
     clear wa_methods.
 
     wa_methods-refnumber  = '000001'.                    " Component 
     wa_methods-objecttype = 'COMPONENT'.
     wa_methods-method     = 'CREATE'.
     wa_methods-objectkey  = ORDERNO.
     append wa_methods to it_methods.
     clear wa_methods.
 
     wa_component-ACTIVITY                      = '0010'.
     wa_component-material                      = 'TY-120'.
     Wa_component-item_cat                      = 'L'.
     wa_component-unload_pt                     = 'XXX'.
     wa_component-requirement_quantity          = '4'.
     wa_component-planT          = 'BC20'.
     append wa_component to it_component.
     clear wa_component.
 
     refresh return.
 
 
 
 
 
 
 
 
 BREAK ABAPTEAM.
 
     refresh return.
     call function 'BAPI_ALM_ORDER_MAINTAIN'
       TABLES
         it_methods       = it_methods
         it_header        = it_header
         it_header_up     = it_header_up
         it_header_srv    = it_header_srv
         it_header_srv_up = it_header_srv_up
         it_userstatus    = it_userstatus
         it_partner       = it_partner
         it_partner_up    = it_partner_up
         it_operation     = it_operation
         it_operation_up  = it_operation_up
         it_relation      = it_relation
         it_relation_up   = it_relation_up
         it_component     = it_component
         it_component_up  = it_component_up
         it_text          = it_text
         it_text_lines    = it_text_lines
         extension_in     = extension_in
         return           = return
         et_numbers       = et_numbers.
 
  DATA : XX TYPE I VALUE 0.
     loop at return into wa_return.
       IF WA_RETURN-TYPE = 'S'.
         FLAG = 1.
 
 
         ELSE.
         FLAG = ''.
         write:/   WA_RETURN-MESSAGE.
 
       ENDIF.
 
     endloop.
 
 
 
     call function 'BAPI_TRANSACTION_COMMIT'
       EXPORTING
         wait = 'X'.
 
     CALL FUNCTION 'DEQUEUE_ALL'
       EXPORTING
         _SYNCHRON = 'X'.
     commit work and wait.