ORA-28507: error in data dictionary view string Cause: The initializationparameter table for the Heterogeneous Services was not
available, or its structure (number of columns or column types) was incorrect. Action: Verify correctinstallation of the following Heterogeneous Services'
initialization parameter views: HS_CLASS_INIT and HS_INST_INIT. If these
views are not available, make sure you ran the script CATHS.SQL in the
$ORACLE_HOME/rdbms/admin directory.