How to fix the Oracle error TNS-02513: Requested data type does not match retrieved type?

In this post, you’ll learn more about the Oracle ErrorTNS-02513: Requested data type does not match retrieved type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-02513: Requested data type does not match retrieved type

Reason for the Error TNS-02513: Requested data type does not match retrieved type

Cause: A service requested data whose type does not match that of the segment which was sent from the other process.

How to fix the Error TNS-02513: Requested data type does not match retrieved 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.