Message Number list used by SAP ABAP Class CNV_00001_CL_GUI_FIELDLIST (Table fields list control)
SAP ABAP Class CNV_00001_CL_GUI_FIELDLIST (Table fields list control) is using
# Object Type Object Name Object Description Note
     
1 Message Number  CNV_00001 - 521 Field &1 was not added manually; set the 'Exclude' flag instead.