How to fix the Oracle error TNS-02511: Invalid data type?

In this post, you’ll learn more about the Oracle ErrorTNS-02511: Invalid data type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-02511: Invalid data type

Reason for the Error TNS-02511: Invalid data type

Cause: The type of a piece of data that was received or to be transmitted did not correspond to any of the correct values.

How to fix the Error TNS-02511: Invalid data type ?

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

Action: If it is possible, enable tracing and attempt to reproduce the problem. In any event, contact Oracle Customer Support.