Modpack version
1.67

Can the issue be reproduced?
unknown

Logs
https://pastebin.com/HTDbAudD

Issue
tried to claim the starting reward: the backpack parts and leather armor

You appear to be using outdated Java. This is often caused by Twitch defaulting to an older version than you have available. Follow these steps to update.

• Make sure you have the latest 64-bit Java installed
  https://www.java.com/en/download/manual.jsp Windows Offline (64-bit) is the one you need
• Go to the Twitch Minecraft settings
• Add -version:1.8+ to the Additional Arguments

If that doesn't fix the issue, please let me know :)

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