Seaquel
SQL Server error code

SQL Server error 9533

SQL Server raises error 9533 at severity 16, which marks a problem with the query or data that you can correct.

In the XML that is supplied for the column set '%.*ls', the element '%.*ls' should reside in the global namespace. Remove the default namespace declaration or the prefix on the element.
Msg9533
Severity16
Group9000–9999

Source: Database Engine events and errors