Creating a new singleplayer world often results in a crash. To resolve this issue, go into your modpack folder, then your saves folder, then find the new world you just created. Delete the "hqm" folder, then boot up the modpack and try joining the world again. This should fix it.
mahjerion
commented
2 years ago
Creating a new singleplayer world often results in a crash. To resolve this issue, go into your modpack folder, then your saves folder, then find the new world you just created. Delete the "hqm" folder, then boot up the modpack and try joining the world again. This should fix it.