Seaquel
SQL Server error code

SQL Server error 5316

SQL Server raises error 5316 at severity 16, which marks a problem with the query or data that you can correct.

The target '%.*ls' of the MERGE statement has an INSTEAD OF trigger on some, but not all, of the actions specified in the MERGE statement. In a MERGE statement, if any action has an enabled INSTEAD OF trigger on the target, then all actions must have enabled INSTEAD OF triggers.
Msg5316
Severity16
Group5000–5999

Source: Database Engine events and errors