How to fix the Oracle error ORA-24378: user callbacks not allowed for this call?

In this post, you’ll learn more about the Oracle ErrorORA-24378: user callbacks not allowed for this call with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24378: user callbacks not allowed for this call

Reason for the Error ORA-24378: user callbacks not allowed for this call

An attempt was made to register a user callback for an OCI call for which it not allowed to register user callbacks.

How to fix the Error ORA-24378: user callbacks not allowed for this call ?

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

Do not register user callback for this OCI call.