Reinstall Minecraft and Workshop mode. But the same thing repeats.
Could you fix this bug?
mod version 0.42.5
https://www.youtube.com/watch?v=wWnigf_FxjM

Seen the video when I got up this morning.

If you don't have smart moving installed you set skinRenderType to 1 in the client configuration file. That should fix it.

Duplicate of #117