Seaquel
SQL Server error code

SQL Server error 9615

SQL Server raises error 9615 at severity 16, which marks a problem with the query or data that you can correct.

A message of type '%.*ls' failed XML validation on the target service. %.*ls This occurred in the message with Conversation ID '%.*ls', Initiator: %d, and Message sequence number: %I64d.
Msg9615
Severity16
Group9000–9999

Source: Database Engine events and errors