Game crashes after update

[clever pulsar]

I just updated my game and when I try starting it crashes on loading and i get the following error: 'The game crashed whilst there was a severe problem during mod loading that has caused the game to fail
Error: net.minecraftforge.fml.common.LoaderException: java.lang.ExceptionInInitializerError'

When I uninstall skytills I can play

[junior valve]

@clever pulsar Win key + R and then type %appdata%\.minecraft\crash-reports
mac: ~/Library/Application Support/minecraft
Linux: You should know this if your using linux
https://cdn.discordapp.com/attachments/807302782432051230/845361400288772126/2021-04-29T13-29-47.mp4

[sage onyx]

update skytils and patcher

[clever pulsar]

These are my mods:

I have updated skytils

[clever pulsar]

Should I upload the crash file?

[onyx jay]

@clever pulsar uploaded a log,

• Forge 11.15.1.2318 on 1.8.9
• OptiFine M5
  Recommendations:
• Most of the time you don't need more than 2GB RAM allocated (maybe 3-4GB if you use skyblock mods). You may be able to reduce the amount of RAM allocated from 12G to 2G or 3G
• Update Notenoughupdates from 2.1.1-PRE to 2.3.0

[sage onyx]

get patcher please

[clever pulsar]

Whats that?

[sage onyx]

performance mod and bug fixes

[clever pulsar]

k

I will get it

[sage onyx]

#Releases message

[clever pulsar]

It might fix my problem?

[halcyon hedge]

https://github.com/My-Name-Is-Jeff/SimpleToggleSprint

[sage onyx]

as wekl

update that

[clever pulsar]

I did update that

Look in my ss

2.4.0