@michaels
Roblox Oct 21, 2026

"Parent property is locked" error in roblox studio

Trying to move a part into a folder from a script after it gets destroyed and the output keeps throwing this. What does it mean and how do I avoid it?
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1 Answer

meerah Oct 26, 2026
michaels
nearly always means you're setting .Parent on something that's already been destroyed. Destroy() locks Parent to nil for good, so if you destroy a part and later try to reuse that same reference, you get this. keep a template in ServerStorage and :Clone() it each time instead. the other cause is reparenting inside a ChildAdded / ChildRemoved / AncestryChanged handler while the object is still mid-move. wrapping that reparent in task.defer usually sorts it.