Seaquel
SQL Server error code

SQL Server error 8064

SQL Server raises error 8064 at severity 16, which marks a problem with the query or data that you can correct.

Parameter %d ([%.*ls].[%.*ls].[%.*ls]): The CLR type does not exist or you do not have permissions to access it.
Msg8064
Severity16
Group8000–8999

Source: Database Engine events and errors