How to fix the Oracle error ORA-19251: XQST0031 – unsupported query version?

In this post, you’ll learn more about the Oracle ErrorORA-19251: XQST0031 – unsupported query version with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19251: XQST0031 – unsupported query version

Reason for the Error ORA-19251: XQST0031 – unsupported query version

The query version specified in the prolog was not supported.

How to fix the Error ORA-19251: XQST0031 – unsupported query version ?

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

Supply the version of the query that is supported.