Describe the issue

The game crashed whilst unexpected error
Error: java.lang.NoSuchMethodError: 'void com.mojang.blaze3d.systems.RenderSystem.pushMatrix()'
Exit Code: -1
crash-2021-09-07_20.15.59-client.txt

Log output

https://gist.github.com/HibikiMisora/053b7469231c0fb0999977ccf98880a0#file-latest-log

Additional context

No response

You are using the 2.x version, which is for Minecraft 1.16.x. Use the 3.x.