Seaquel
SQL Server error code

SQL Server error 3960

SQL Server raises error 3960 at severity 16, which marks a problem with the query or data that you can correct.

Snapshot isolation transaction aborted due to update conflict. You cannot use snapshot isolation to access table '%.*ls' directly or indirectly in database '%.*ls' to update, delete, or insert the row that has been modified or deleted by another transaction. Retry the transaction or change the isolation level for the update/delete statement.
Msg3960
Severity16
Group3000–3999

Source: Database Engine events and errors