Shouldn’t be. Sounds like a bugged OA being still enabled on the back end. Toggle it again, save, toggle again, save. See if that smacks it around enough.
I stopped it, ended the session, checked the settings to be sure they were correct. Started the session again, it did the same thing, so I ended it again. Then I manually mowed the grass clump with the pro mower, then moved it back in the same spot and tried the session again and it was ok now that I mowed it. Very odd.
A couple more verses and you could have a song. Something with a broken down… truck, grandma, reindeer and few gin and tonics, maybe a three hit wonder.