This is only one, particular flow run. Nothing special about it, only thing it was restarted to re-run failed flows. Agent is fine, and there are no flow runner containers (i use docker storage) running.
I checked logs, and i see something strange there. First, i see traceback from prefect. Then i found that the flow was recheduled by lazarus. And then i found that for some reason it was scheduling a task which is not a part of current flow run flow version! The task was added in the next flow version. I cant see it in flow run task list or flow run schematic. Attaching a piece of recent logs