Attempting to create a world with MineFactory Reloaded and Witching Gadgets results in a stack overflow error in thaumcraft.api.ThaumcraftApi.getCrucibleRecipe. Minecraft returns to menu, doesn't crash to desktop. It's not at all clear where the bug lies, and though it seems odd to implicate MFR, without MFR, world creation works fine.

Likely relevant part of log (can't paste whole log, and no crashlog is generated):
http://pastebin.com/BNfBT6xV

Mods running:
CoFHCore-[1.7.10]3.0.0RC5-207
MineFactoryReloaded-[1.7.10]2.8.0RC7-71
Thaumcraft-1.7.10-4.2.3.5
ThermalExpansion-[1.7.10]4.0.0RC6-138
ThermalFoundation-[1.7.10]1.0.0RC4-58
TravellersGear-1.7.10-1.15.5
WitchingGadgets-1.7.10-1.0.7

An issue that's been answered here multiple times, as well as in the thread and in the FAQ. Disable nugget transmutations in the config.