-16081 THE XQUERY-UPDATE-CONSTANT IN THE XMLMODIFY FUNCTION IS NOT AN UPDATING EXPRESSION OR AN EMPTY SEQUENCE EXPRESSION. ERROR QNAME=err:XUST0002.

Explanation
The xquery-update-constant in
the XMLMODIFY FUNCTION is a non-updating expression other than an
empty sequence expression. The xquery-update-constant must
be an updating expression or an empty sequence expression.

System action
The XQuery expression
cannot be processed.

Programmer response
Make sure that the xquery-update-constant in the
XMLMODIFY function includes a basic updating expression or is the empty sequence expression.

SQLSTATE
10702