Please help for using perform in SAP script

Question

As subject.
My sap script code as below:
/: PERFORM GET_CHAMT_DATE IN PROGRAM ZRAP004
/:USING    &SPELL-WORD&
/:CHANGING &SPELL-WORD&
/:ENDPERFORM
My program ZRAP004 code as below:
FORM get_chamt_date USING u_iword TYPE spell-word
                   CHANGING u_oword TYPE spell-word.
CONCATENATE u_iword '元整'(t01) INTO u_oword.
endform.
This form is for check printing.
It's by standard function 'F110' to excute check printing.
But when i finished this transaction. System return error message as below:
<b>This routine contains 2 formal parameters, but the current call
contains 4 actual parameters.</b>
Please help. Thanks a lot!!

Answer 1

Hiii
PERFORM CDE_CENT IN PROGRAM ZKRPMM_PERFORM_Z1MEDRUCK
/:USING &EKKO-EBELN&
/:CHANGING &CDECENT&
/:ENDPERFORM
The report :
REPORT zkrpmm_perform_z1medruck .
DATA : BEGIN OF it_input_table OCCURS 10.
       INCLUDE STRUCTURE itcsy.
DATA : END OF it_input_table.
déclaration de la table output_table contenant les
variables exportées
DATA : BEGIN OF it_output_table OCCURS 0.
       INCLUDE STRUCTURE itcsy.
DATA : END OF it_output_table.
DATA : w_ebeln LIKE ekko-ebeln,
      w_vbeln LIKE vbak-vbeln,
      w_zcdffa LIKE vbak-zcdffa.
FORM CDE_CENT
FORM cde_cent TABLES input output.
it_input_table[] = input[].
it_output_table[] = output[].
READ TABLE it_input_table INDEX 1.
MOVE it_input_table-value TO w_ebeln.
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
      EXPORTING
           input  = w_ebeln
      IMPORTING
           output = w_ebeln.
SELECT SINGLE zcdffa FROM ekko
INTO w_zcdffa
WHERE ebeln = w_ebeln.
it_output_table-name = 'CDECENT'.
MOVE w_zcdffa TO it_output_table-value.
MODIFY it_output_table INDEX 1.
output[] = it_output_table[].
ENDFORM.