StarterCharacter keeps flipping out when jumping

Not sure if this is the right topic. Redirect if it isn’t.
I am so fed up with random things breaking like this. I have a StarterCharacter that was working perfectly fine, no bugs or glitches happening. Then without touching anything, I update my game and suddenly every time I jump my character flies like 20 studs away. It’s super annoying and I’m extremely upset with random things breaking in my game. If somebody knows why it’s doing so please share. Thanks!
I’m not sure if ROBLOX changed something or somehow my character broke without touching it.
https://streamable.com/p3h6j

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There’s… not a lot for us to go on here. Can you send a video sample at least so we can better grasp the situation?

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Sorry about that! I added a short clip. It most times flies way further but this time it only flew a few studs

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Certainly looks a little strange.

How many parts in that rig have the CanCollide property set to true? That’d be my immediate guess to the issue if there are parts stuck inside each other with their collisions on, and then causing some issues by parts trying to separate from each other.

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It’s all properly done. It was working just fine until I updated my game without touching anything.

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Are you absolutely positive you didn’t touch anything?
And if you are, try reverting to a previous version of the game and see if the problem is there as well. Maybe it’s been there and you didn’t notice.
But if it isn’t there in a previous update, then that must mean you did indeed do something without realizing it.

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I just reverted it and It’s doing it even in the previous versions when it wasn’t before.

Try setting most of the detailed parts Massless property to true, and also check if you have any potential scripts in the game that might be messing with your character (like something that triggers when you move/jump).


Honestly if that doesn’t work, then I’m afraid idk what I can do to help you. I’m no expert when it comes to understanding ROBLOX physics internally to make that happen.

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Nothing seems to be working. Thanks for the help!

I remember in the old days you would get behaviour similar to this if you had parts welded to the character that was a vast distance away. For example, if you were using a tool that would insert the weld as you equip the tool, the tool’s parts would explode and then weld. You’d have parts super far away from you and it would mess up your walking/jumping. It kind of changed the centre of the character, if that makes sense.

Could be a similar issue being caused here.

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Hello, well, I don’t know if you still worry about this, but it’s actually quite simple to resolve this situation, and it was probably just a lack of attention.

I only had a problem with this, but I realized that the error was mine, just disabling the collision of the MeshPart, as the HumanoidRootPart already has this option enabled, so the MeshPart must have this option disabled, otherwise it stays in this “Flick” of StarterCharacter when jumping.