[SOLVED] MCreator mod crashing as soon as I click "Create New World"

Started by MakoYT on

Topic category: Troubleshooting, bugs, and solutions

Joined Jun 2023
Points:

User statistics:

  • Modifications:
  • Forum topics:
  • Wiki pages:
  • MCreator plugins:
  • Comments:
[SOLVED] MCreator mod crashing as soon as I click "Create New World"
Sun, 05/17/2026 - 23:21 (edited)

Additionally, when I enter a previous world, it asks me to load in safe mode, and i can't recreate the world either. I've tried regenerating the code, nothing works.I use Windows 11, 1.21.8 NeoForge and 2026.1. The only plugin I have is Nerdy's Curios API.

latest.log: https://pastebin.com/HwNnjuzq

MCreator Console: http://pastebin.com/0qDsV4Px

Edited by MakoYT on Sun, 05/17/2026 - 23:21
Joined Aug 2016
Points:

User statistics:

  • Modifications:
  • Forum topics:
  • Wiki pages:
  • MCreator plugins:
  • Comments:
Your workspace would be…
Sun, 05/17/2026 - 22:32

Your workspace would be necessary to understand and confirm the cause of your problem. Logs say it is related to some of your tags (nauticraft:t2biomes, nauticraft:t3biomes, nauticraft:t4biomes) if you want to investigate yourself.

Joined Jun 2023
Points:

User statistics:

  • Modifications:
  • Forum topics:
  • Wiki pages:
  • MCreator plugins:
  • Comments:
I assume that has to do with…
Sun, 05/17/2026 - 23:17

I assume that has to do with the outcrops, as outcrop generation is the only thing that uses tiered biomes I believe.

Here's the workspace if you want to check it out yourself while I troubleshoot:

https://drive.google.com/file/d/1jY-yrfGzHHSVtfzDGZUXui702cbr8Lgu/view?…

Joined Jun 2023
Points:

User statistics:

  • Modifications:
  • Forum topics:
  • Wiki pages:
  • MCreator plugins:
  • Comments:
Update: The issue is that…
Sun, 05/17/2026 - 23:21

Update: The issue is that said tags never existed to begin with! I fixed it, thanks for pointing it out.