Faulted Error in orchestrator

Hi All,
I am facing issue while running bot from orchestrator job. Till morning it was working fine suddenly this error occurs.

Please find the details of error :

Kindly help me with this.

Hi @shnega

Could you have a look at these two posts with the same error that both have a post marked as a solution:
https://forum.uipath.com/search?expanded=true&q=%22Could%20not%20start%20executor.%20A%20specified%20logon%20session%20does%20not%20exist%22%20status%3Asolved

It might contain an answer to your issue.

Also, if this is an Enterprise issue, don’t hesitate to contact our technical support:

Hi @loginerror
Thanks for your time .
No luck with that post.
can you please give me anyother ideas?
Thanks in advance.

Is it a Community Edition? Could you please share whether something changed about your process?