How to fix the Oracle error ORA-28581: protocol error while executing recursive external procedure?

In this post, you’ll learn more about the Oracle ErrorORA-28581: protocol error while executing recursive external procedure with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28581: protocol error while executing recursive external procedure

Reason for the Error ORA-28581: protocol error while executing recursive external procedure

An internal protocol error occurred while trying to execute an external procedure resulting from a callback in another external procedure.

How to fix the Error ORA-28581: protocol error while executing recursive external procedure ?

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

Contact Oracle customer support.