Every time i get on minecraft, it crashes.

Put the summary of the bug you're having here
Minecraft Keeps on Crashing for Me Every Time I get on Multiplayer.

What I expected to happen was...:
Describe what you thought should happen here
I would get on PrimeMC with no problems.

What actually happened was...:
Describe what happened here
Except, every time I get on PrimeMC, it keeps on crashing as soon as I log into it.
Steps to Reproduce:
1. Get on Minecraft.
2. Next, I Click on PrimeMC to get on Skyblock.
3. Finally, the game crashes I soon as I get on Skyblock