Message Number list used by SAP ABAP Function Module DD_TTYP_KEYCOMP_CANDIDATES (Schlüsselkandidaten zu Tabellentypen liefern)
SAP ABAP Function Module DD_TTYP_KEYCOMP_CANDIDATES (Schlüsselkandidaten zu Tabellentypen liefern) is using
# Object Type Object Name Object Description Note
     
1 Message Number  DO - 845 Row type & is not active or does not exist
2 Message Number  DO - 855 Explicit key definition is not allowed (row type unstructured)