ORA-31540: string is not a valid identifier Cause: All Change DataCapture (CDC) identifiers must have at most 30
characters, and must start with a letter that is followed by any combination of
letters, numerals, and the signs '$', '_', and '#'. Other characters cannot beused in
identifiers. The rules for CDC identifiers are the same as for PL/SQLidentifiers. Action: Rename object toconform to CDC naming rules and try again.