The bug happens when mod inicialization goes to phase 2, my minecraft closes without any warning.

Some infos:

• MysticalLib: 1.12.2-1.13.0
• Forge: 1.12.2 - 14.23.5.2860
• Minecraft: Original 1.12.2
• Modpack Custom

Crash Report: https://pastebin.com/H6qVMZqw
Latest Log: https://pastebin.com/RrbGgRii

Unstalled my .minecraft and it worked for some reason.