CNTL_ERROR

Hi,

I get this error when i click on the Header Incon in the delivery:

Exception condition CNTL_ERROR raised.

at ( WHEN 2):

..................

CALL FUNCTION 'AC_FLUSH_CALL'
        EXPORTING
             SYSTEM_FLUSH = 'X'
             CALLED_BY_SYSTEM = CALLED_BY_SYSTEM
        IMPORTING
             MESSAGE_NR   = sysubrc
             MESSAGE_TEXT = SY-MSGLI.

   sy-subrc = sysubrc.

   CASE SY-SUBRC.
     WHEN 0.
     WHEN 1.
       RAISE CNTL_SYSTEM_ERROR.         "// system_error
     WHEN 2.
       RAISE CNTL_ERROR.                "// method_call_error
     WHEN 3.
       RAISE CNTL_ERROR.                "// property_set_error
     WHEN 4.
       RAISE CNTL_ERROR.                "// property_get_error
     WHEN OTHERS.
    
       RAISE CNTL_ERROR.
   ENDCASE.

 ENDFUNCTION.
..................

Any ideea why?

Thank you