Cannot read properties of undefined
I'm getting an error when loading a page when you don't start at the "top" of the page, e.g. if you scroll down near the bottom of the page, and then refresh, you get an error, but if you start fresh from the top it works fine.
NB you might need to refresh a couple of times to reproduce this, it happens about 50% of the time.
If I open the console when the animations don't load I get `Uncaught TypeError: Cannot read properties of undefined (reading 'end')`, pointing at this code
It is super difficult to troubleshoot blind, but I'd recommend removing the once: true and see if that resolves things. It won't really behave any differently because the default toggleActions are "play none none none". But please let us know if that resolves things for you because I have a theory about what might be causing the issue in your scenario.