How to fix the Oracle error ORA-03147: Missing mandatory TTC field?

In this post, you’ll learn more about the Oracle ErrorORA-03147: Missing mandatory TTC field with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-03147: Missing mandatory TTC field

Reason for the Error ORA-03147: Missing mandatory TTC field

A corrupt Two-Task Common (TTC) packet was received.

How to fix the Error ORA-03147: Missing mandatory TTC field ?

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

This is an internal protocol error. Contact Oracle Support Services.

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