Anchored parts randomly moving around out of studio by large distances?

[Iskender_Argead]

Hello. I’m working on a game in Team Create with a few friends, and things are going quite well, except for this seemingly inexplicable issue.
These demonstration photos should explain it.

In studio:

Ingame/“testing”:

No idea what’s causing this - any help would be appreciated. Tried googling the issue, and have not found anything.

[Iskender_Argead]

Literally the second after I posted this, I found out the issue after looking through the workspace. There was an ungrouped humanoid that was putting “OriginalSize” values into these parts and scaling them.

Deleting it fixed the issue. If anyone else reads this, hope this helps you.