I updated the Pack yesterday. Loading existing Worlds works. If I want to create a new World my Game is stuck at Loading Terrain. Everything until this point works flawlessly. In 4 tries the Game got stuck on the Loading Terrain screen. One time the screen switched from Loading terrain to the Respawn screen. I was able to join the map again. Only 1 chunk will load and of course I can't walk out of it. Additionally part of the Journey Map seems to be explored but isn't. And 2 waypoints got into the file from a Save I dont have on my computer anymore.

Hope this explains the issue good enough for reproduction. I can supply you with a video etc. if needed.

Edit: Here is the log. Sorry for the delay work was crazy the last seven days.

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Having the same/similar problem: log

Seems to be related to the Cities mod. The problem does not occur when cities generation is disabled.

After killing minecraft it is possible to join the world normally: log

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