Seaquel
SQL Server error code

SQL Server error 4976

SQL Server raises error 4976 at severity 16, which marks a problem with the query or data that you can correct.

ALTER TABLE SWITCH statement failed. Target table '%.*ls' has a check constraint '%.*ls' on an XML column, but the source table '%.*ls' does not have an identical check constraint.
Msg4976
Severity16
Group4000–4999

Source: Database Engine events and errors