Seaquel
SQL Server error code

SQL Server error 6243

SQL Server raises error 6243 at severity 16, which marks a problem with the query or data that you can correct.

'%.*ls.%.*ls' is marked for native serialization, and has the MaxByteSize property specified in the '%.*ls' attribute. Native serialization objects can not specify MaxByteSize property, it is calculated by SQL Server.
Msg6243
Severity16
Group6000–6999

Source: Database Engine events and errors