Oracle Solution for Error ora-19161

Solution for Oracle Error ORA-19161

ORA-19161: XPTY0004 - XQuery type mismatch: invalid argument type 'string' for function 'string'

What triggered the Error:

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

What should we do to fix it:

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