How to fix the Oracle error ORA-55463: missing privileges for MDSYS schema for OLS-enabled entailment?

In this post, you’ll learn more about the Oracle ErrorORA-55463: missing privileges for MDSYS schema for OLS-enabled entailment with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-55463: missing privileges for MDSYS schema for OLS-enabled entailment

Reason for the Error ORA-55463: missing privileges for MDSYS schema for OLS-enabled entailment

An attempt was made to run entailment with insufficient privileges for MDSYS schema.

How to fix the Error ORA-55463: missing privileges for MDSYS schema for OLS-enabled entailment ?

You can fix this error in Oracle by following the below steps

Grant EXEMPT ACCESS POLICY to MDSYS.