Database upgrade not possible; RowGenerator table not owned by user dbo

Error constant SQLE_DBO_DOES_NOT_OWN_ROWGENERATOR
ODBC 2 State 08004
ODBC 3 State 08004
Severity 21
SQLCODE –826
SQLSTATE 08W57
Sybase error code 13832
Probable cause

An attempt to upgrade a database failed. The RowGenerator table is not owned by user dbo.