I've removed the tank, witch, hunter, and charger from Vicious Infected because the errors were coming from those parts. By doing so I've noticed a major increase in server performance. Enjoy!
Brought to you by DLR
https://steamcommunity.com/groups/DLRGaming
Credit to:Mortiegama for the original work that I changed, [L4D2] Vicious Infected V-1.83