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method IF_EX_CUSTOMER_ADD_DATA~CHECK_ALL_DATA .
 
*** For modern trade check customer group 2.
IF S_KNVV-VTWEG eq '01'.
  IF S_KNVV-KVGR2 is initial.
*   Enter &1
    MESSAGE I221(VS) WITH 'Customer Group 2 di Additional Data'.
  ENDIF.
ENDIF.
 
endmethod.