If you enable this under soundservice this error will start spamming the console:
Also experience this. It happens rapidly and tanks some of my users on very low end machines. How rapid it is seems to vary.
This has already been reported here.
Searching for this bug is hard since none of the existing threads have the error text in them. To aid future searchers:
Remote event invocation queue exhausted for ReplicatedStorage.DefaultServerSoundEvent; did you forget to implement OnClientEvent?
Also see this post, and my response: