Seaquel
SQL Server error code

SQL Server error 6938

SQL Server raises error 6938 at severity 16, which marks a problem with the query or data that you can correct.

XML Validation: The canonical form of the value '%ls' is not valid according to the specified type. This can result from the use of pattern facets on non-string types or range restrictions or enumerations on floating-point types.
Msg6938
Severity16
Group6000–6999

Source: Database Engine events and errors