General Information
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• I play...
  • With a large modpack
  • Only with CQR and it's dependencies
• The issue occurs in...
  • Singleplayer
  • Multiplayer
• I have searched for this or a similar issue before reporting and it was either (1) not previously reported, or (2) previously fixed and I'm having the same problem.
• I am using the latest version of the mod (all versions can be found on github under releases)
• I read through the FAQ and I could not find something helpful (FAQ)
• I reproduced the bug without any other mod's except forge, cqr and it's dependencies
• The game crashes because of this bug

Describe the bug
Whenever i go to a specific place with this seed -1195881383 the game just lags a ton for a good 2 mins then stops lagging for a few seconds then lags again, am able to still move around but chunks wont load and cant run commands, ive removed CQR from the mod list and it didnt have any issues in that location

Ive attempted to reproduce it with only CQR and also with BOP added (world type i used) and didnt have the issues

To Reproduce
Steps to reproduce the behavior:

1. Go to -504, y=66, z=328 on seed -1195881383

Screenshots
If applicable, add screenshots to help explain your problem.

Versions (Note that 'latest' is NOT a valid version!
Chocolate Quest Repoured: 2.6.9B
Forge: 14.23.5.2860
Minecraft: 1.12
Other mods (necessary to reproduce the bug): really not sure which additional mod could be helping to cause it, BOP world type required to find the desert it occurs in but BOP and CQR alone doesnt seem to be doing it

Log File
Please use a paste site to upload the log file (for example https://gist.github.com/) and provide the link to the file here.
Debug log issues seem to start at line 46578
Log issues seem to start at line 9719

Resolution: Don't use sponge or live with slow-worldgen (=> multithreaded dungeon preparation disabled)

disable multithreaded dungeon preparation, that shoiuld fix it.

Did you have a different version of the mod installed previously?

Also you should've told us that that thing runs on spongeforge seemingly. We do NOT support weird servers (e.g. Magma, Spongeforge, MCPC+, Mohist etc.)