Seaquel
SQL Server error code

SQL Server error 4959

SQL Server raises error 4959 at severity 16, which marks a problem with the query or data that you can correct.

ALTER TABLE SWITCH statement failed. Partition %d of %S_MSG '%.*ls' has TEXT filegroup '%.*ls' and partition %d of %S_MSG '%.*ls' has TEXT filegroup '%.*ls'.
Msg4959
Severity16
Group4000–4999

Source: Database Engine events and errors