Oracle Solution for Error ora-19136

ORA-19136: XQST0076: It is a static error if a collation subclause in an order by clause of a FLWOR expression does not identify a collation that is present in statically known collations

What triggered the Error:

error occurred during the processing of the XQuery expression.

What should we do to fix it:

eck the detailed error message for the possible causes.