BIP9253
Severity
10 : Warning
Message
An Internal warning occurred while DeRegistering for Event Notification, Return Code <insert_0> Reason Code <insert_1>
Explanation
Event Notification reason codes 4 Failed to De-Register from ENF. 8 Unable to release anchor block. 12 Failed to remove ENF exit.
Response
Investigate the reason code as to the cause of the problem.