Oracle Solution for Error ora-14551

ORA-14551: cannot perform a DML operation inside a query

What triggered the Error:

DML operation like insert, update, delete or select-for-update cannot be performed inside a query or under a PDML slave.

What should we do to fix it:

Ensure that the offending DML operation is not performed or use an autonomous transaction to perform the DML operation within the query or PDML slave.