SAP ABAP Problems & Solution

Use of  FM  ' SPELL_AMOUNT '   DATA :  WS_SPELL TYPE SPELL,  pLANGU LIKE T002-SPRAS DEFAULT SY-LANGU,  pCURR LIKE TCURC-WAERS DEFAULT 'USD',  pAMOUNT LIKE VBAP-MWSBP ,  pFILLER(1) TYPE C DEFAULT ' '.   CALL FUNCTION 'SPELL_AMOUNT'  EXPORTING   AMOUNT = pAMOUNT   CURRENCY = pCURR   FILLER = pFILLER   LANGUAGE = pLANGU "SY-LANGU  IMPORTING   IN_WORDS = WS_SPELL  EXCEPTIONS   NOT_FOUND = 1   TOO_LARGE = 2   OTHERS = 3 . IF sy-subrc <> 0.  MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO   WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4. ELSE.  WRITE :/ WS_SPELL-word , WS_SPELL-decword. ENDIF.