Oracle Error ORA-19162: XPTY0004 – XQuery type mismatch: invalid argument types ‘string’, ‘string’ for function ‘string’

Oracle Error Message

ORA-19162: XPTY0004 – XQuery type mismatch: invalid argument types ‘string’, ‘string’ for function ‘string’

Reason for the Error

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

Solution

Fix the arguments to be of a type appropriate for the given function.