How to fix the Oracle error ORA-19043: Multiply nested XMLROOT function disallowed?

In this post, you’ll learn more about the Oracle ErrorORA-19043: Multiply nested XMLROOT function disallowed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19043: Multiply nested XMLROOT function disallowed

Reason for the Error ORA-19043: Multiply nested XMLROOT function disallowed

An XMLROOT function has an operand that is also an XMLROOT function.

How to fix the Error ORA-19043: Multiply nested XMLROOT function disallowed ?

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

Modify the query so that there are no multiply nested XMLROOT functions.