How to fix the Oracle error ORA-19159: FODC0005: invalid argument to fn:doc?

In this post, you’ll learn more about the Oracle ErrorORA-19159: FODC0005: invalid argument to fn:doc with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19159: FODC0005: invalid argument to fn:doc

Reason for the Error ORA-19159: FODC0005: invalid argument to fn:doc

An error occurred during the processing of the XQuery expression.

How to fix the Error ORA-19159: FODC0005: invalid argument to fn:doc ?

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

Check the detailed error message for the possible causes.