cant seem to make the sound play?

So, some time ago this used to work but now it doesn't... what happened?

script.Parent.Sound.Playing = true

here's what i get on output :

attempt to call a nil value

Do not use:

script.Parent.Sound.Playing = true

But insead use:

script.Parent.Sound:Play()

-- To Stop

script.Parent.Sound:Stop

https://developer.roblox.com/en-us/api-reference/class/Sound

I hope this helps :)

Instead, try this:

script.Parent.Sound:Play()