There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • GitHub comment 588#279270155
    via GitHub by adrlmrtz
  • GitHub comment 4339#296621215
    via GitHub by KshAbo
  • Flat factory not working
    via GitHub by narnia1425
  • Startup Issue
    via GitHub by GiantNuker
  • Minecraft start crash
    via GitHub by aoaguiar
  • Error launching Forge with mods
    via GitHub by bt1crt
    • java.lang.ThreadGroup: uncaughtException:-1]: at java.lang.Class.forName(Unknown Source)[STDERR]
    No Bugmate found.