Message Number list used by SAP ABAP Function Module WLF_ERROR_MSG_APP_LOG_DISPLAY (Display Application Log)
SAP ABAP Function Module WLF_ERROR_MSG_APP_LOG_DISPLAY (Display Application Log) is using
# Object Type Object Name Object Description Note
     
1 Message Number  WS - 338 The application log is not active, display not possible
2 Message Number  WS - 339 The application log cannot be displayed (internal error)