ORA-28507: error in data dictionary view [string]

Cause: The initialization parameter table for the Heterogeneous Services was not available, or its structure (number of columns or column types) was incorrect.

Action: Verify correct installation 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.

Error Type: ORA

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