How to fix the Oracle error XOQ-00400: failed to map CWM object “(string))” to XML or IDL?

In this post, you’ll learn more about the Oracle ErrorXOQ-00400: failed to map CWM object “(string))” to XML or IDL with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-00400: failed to map CWM object “(string))” to XML or IDL

Reason for the Error XOQ-00400: failed to map CWM object “(string))” to XML or IDL

Cause: An error occurred while preparing a metadata object to return to the client.

How to fix the Error XOQ-00400: failed to map CWM object “(string))” to XML or IDL ?

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

Action: Check the metadata object for unusual characteristics, such as extremely long text attributes, unusual characters in text attributes,