Error deserializing session

[Sergei Batiuk]

Hello all,

What does the following error mean? It looks more like a warning, since I
did not encounter any abnormal behavior with orion. Is it serious? What
might have caused it?

Error deserializing session: java.io.WriteAbortedException: Writing aborted
by e
xception; java.io.NotSerializableException: com.evermind.sql.ak