SM59 에 들어갔는데 RFC callback check not secure in SM59 이런 문구가 떠있는걸보고 확인을 해보았습니다. 메세지RFC callback check not secure in SM59 이유 -> 활성화 OR 비활성화 할 수 있음.RFC callback is a mechanism that allows a synchronous remote function call (RFC) to execute a remote-enabled module. When executing the RFC, predefined destination BACK is being used. CALL FUNCTION ... DESTINATION 'BACK'.You can activate callback whitel..