Session error reason.
public enum SessionErrorReason
FIX Connection cannot be established.
FIX Connection cannot be restored.
Exception during processing of incoming message.
Exception was thrown by user's event handler.
First message received is not a Logon message.
General session-related error.
Invalid incoming message is received.
After sending the initial Logon message the telecommunication link error is detected.
The incoming message has a sequence number less than expected and the PossDupFlag is not set, it indicates a serious error. The incoming message has a sequence number less than expected and the PossDupFlag is not set, it indicates a serious error. It is strongly recommended that the session be terminated and manual intervention be initiated.