Ender 3 v2 Octolapse never starts

I have just followed instuctions on setting up octolapse / cura from a youtube video https://www.youtube.com/watch?v=CjOIxKxb3h8&t

When i start my print octolapse does not trigger. I remains on waiting for a snapshot command.
Did i miss something out ?

Maybe some logs would come in quite handy...

Please see attached logs, thanks for your help

octoprint-logs.zip (655.7 KB)