Message Number list used by SAP ABAP Class CL_SMT_FACTORY (Factory for Conversions)
SAP ABAP Class CL_SMT_FACTORY (Factory for Conversions) is using
# Object Type Object Name Object Description Note
     
1 Message Number  SMT - 003 Structure &1 does not exist
2 Message Number  SMT - 012 Structure &1 is not assigned to step &2