Issue Description:
Upon joining a modded server the game will crash the player, this seems to be related to flamethrowers even though the player has very had a flamethrower and there were no crashes for the player in forge version 35.1.36

Steps to reproduce:
Attempt joining a modded server, Client works fine

Version (make sure you are on the latest version before reporting):
Forge: 35.1.37
Mekanism: Mekanism-1.16.4-10.0.18.445
Other relevant version:

Crash Log:
https://mcpaste.io/7f9f6f95c9d6661b

Please use the search functionality before reporting an issue. Also take a look at the closed issues!
Remove or update optifine they version you are using isn't compatible with the version of forge you are using.