Seaquel
SQL Server error code

SQL Server error 7823

SQL Server raises error 7823 at severity 16, which marks a problem with the query or data that you can correct.

The "%.*ls" XML element (in the "%.*ls" namespace) was expected in the "%.*ls" element (in the "%.*ls" namespace) of the SOAP request.
Msg7823
Severity16
Group7000–7999

Source: Database Engine events and errors