Oracle® Database 11g / 12c / 18c error codes ORA-12151: TNS:received bad packet type from network layer

ORA-12151: TNS:received bad packet type from network layer

Oracle Error Code: ORA-12151

Cause: Internal error.

Action: Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Worldwide Customer Support.