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Bug description
Crashes On Start up

Steps to reproduce the issue
start minecraft

Expected behavior
for minecraft to start properly

Log files
[Please provide log files of the game session in which the problem occurred.
Don't paste the complete logs into the issue.
You can use https://gist.github.com/.](https://mclo.gs/bk36Ewc)

Versions
1.12.2
14.23.5.3860 forge
2.3.26

Other mods

Screenshots (Optional)
Screenshots of the issue.

Mixin config voicechat.mixins.json requires mixin subsystem version 0.8 but 0.7.11 was found. The mixin config will not be applied.

One of the mods you are using ships with an outdated mixin version. Either remove voice chat mod or the mod with the old mixin version.