Oracle Error ORA-19161: XPTY0004 – XQuery type mismatch: invalid argument type ‘string’ for function ‘string’

Oracle Error Message

ORA-19161: XPTY0004 – XQuery type mismatch: invalid argument type ‘string’ for function ‘string’

Reason for the Error

The type of the argument that was passed to the given function was not valid.

Solution

Fix the argument to be of a type supported by the given function.