CX_SY_DYN_CALL_ILLEGAL_TYPE

CALLL Function时，如果接口错误，可能rise error CX_SY_DYN_CALL_ILLEGAL_TYPE

 

 function zwf_nextdynamicapproverget.
*"----------------------------------------------------------------------
*"*"Local interface:
*"  IMPORTING
*"     VALUE(OBJKEY) TYPE  ZE_OBJKEY
*"     VALUE(Z_OBJTYPE) TYPE  ZE_OBJTYPE
*"     VALUE(LAST_RESULT) TYPE  ZE_WF_RESULT
*"     VALUE(LAST_APPLEVEL) TYPE  ZE_APPLEVEL
*"     VALUE(UNAME) TYPE  UNAME
*"  EXPORTING
*"     VALUE(RETURN) TYPE  BAPIRETURN1
*"     VALUE(NOFURTHERAPPROVALNEEDED) TYPE  XFELD
*"     VALUE(Z_APPLEVEL) TYPE  ZE_APPLEVEL
*"     VALUE(Z_WI_TEXT) TYPE  ZE_WI_TEXT
*"     VALUE(Z_TASKCOMMENT) TYPE  BCSY_TEXT
*"  TABLES
*"      ACTOR_TAB STRUCTURE  SWHACTOR
*"----------------------------------------------------------------------
  data: l_fm_name like zwf_objtype-z_fm_nextapp.
  data: wa_object like zwf_object.
  refresh: actor_tab.
  clear z_applevel.

*************EXCUTE FUNCTION'S TRANSACTION
  select single z_fm_nextapp from zwf_objtype into l_fm_name
  where z_objtype = z_objtype.
  if sy-subrc = 0 and l_fm_name <> ' '.
************CHECK  FUNCTION MODULE NAME EXIST
    select single funcname from tftit into l_fm_name where funcname = l_fm_name .
    if sy-subrc = 0.
****CALL FM DEFINED IN TABLE ZWF_OBJTYPE
      call function l_fm_name
        exporting
          objkey                  = objkey
          z_objtype               = z_objtype
          last_applevel           = last_applevel
          last_result             = last_result
          uname                   = uname
        importing
          return                  = return
          z_wi_text               = z_wi_text
          nofurtherapprovalneeded = nofurtherapprovalneeded"
          z_applevel              = z_applevel"
          z_taskcomment           = z_taskcomment
        tables
          actor_tab               = actor_tab
        exceptions
          others                  = 01.
      case sy-subrc.
        when 0.            " OK
        when others.       " to be implemented
      endcase.
    endif.
  endif.


endfunction.