Seaquel
SQL Server error code

SQL Server error 3914

SQL Server raises error 3914 at severity 16, which marks a problem with the query or data that you can correct.

The data type "%s" is invalid for transaction names or savepoint names. Allowed data types are char, varchar, nchar, varchar(max), nvarchar, and nvarchar(max).
Msg3914
Severity16
Group3000–3999

Source: Database Engine events and errors