Message Number list used by SAP ABAP Class CL_FDT_GENERATION_MANAGER (FDT: Generation of Classes)
SAP ABAP Class CL_FDT_GENERATION_MANAGER (FDT: Generation of Classes) is using
# Object Type Object Name Object Description Note
     
1 Message Number  FDT_CORE - 020 ID &1 is initial, unknown, or it does not have the correct object type
2 Message Number  FDT_CORE - 523 Generation manager is registered on &2, so it is not usable for &1