ORA-19162: XPTY0004 - XQuery type mismatch: invalid argument types 'string', 'string' for function 'string'

ORA-19162: XPTY0004 - XQuery type mismatch: invalid argument types 'string', 'string' for function 'string'


Cause:


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



Action:


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