Seaquel
SQL Server error code

SQL Server error 4945

SQL Server raises error 4945 at severity 16, which marks a problem with the query or data that you can correct.

ALTER TABLE SWITCH statement failed because column '%.*ls' does not have the same collation in tables '%.*ls' and '%.*ls'.
Msg4945
Severity16
Group4000–4999

Source: Database Engine events and errors