Oracle Solution for Error ora-19044

Solution for Oracle Error ORA-19044

ORA-19044: character length specified for XMLSerialize is too small.

What triggered the Error:

XMLSerialize function was called with a type of character type (e.g. VARCHAR2(27)), and the length specified (27 in the example) was too small.

What should we do to fix it:

dify the query so that the character length specified is larger.