Seaquel
SQL Server error code

SQL Server error 6531

SQL Server raises error 6531 at severity 16, which marks a problem with the query or data that you can correct.

%ls failed because the function '%ls' of class '%ls' of assembly '%.*ls' takes one or more parameters but CLR Triggers do not accept parameters.
Msg6531
Severity16
Group6000–6999

Source: Database Engine events and errors