Seaquel
SQL Server error code

SQL Server error 8499

SQL Server raises error 8499 at severity 16, which marks a problem with the query or data that you can correct.

The remote service has sent a message body of type '%.*ls' that does not match the message body encoding format. This occurred in the message with Conversation ID '%.*ls', Initiator: %d, and Message sequence number: %I64d.
Msg8499
Severity16
Group8000–8999

Source: Database Engine events and errors