BREAKING | Invisible Creatures

There has been a big issue on my map where some game sessions, the zombie creatues will be invisible, and will still eliminate you. I have tried my best to fix it, but i am unable to.

Steps to Reproduce:
Place down a creature spawner. Try to load into a session where there will be invisible creatures.

Observed Result:
There will be certain game sessions where the zombies are still invisible and will damage you.

Platform:
All

Island Code:
3002-9262-6738

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I already did weeks ago, but got no response or recognition. What do you suggest i do that will get this fixed, it is very game breaking and people are getting very angry with me even though i have zero control over this problem…