Trying to add mods from Hexxit to Witchery, it's not working.

[samurich]

I have tried to put the 1.7.10 versions of the mods in Hexxit in Witchery. It then loads the game and whilst loading it just goes back to

the launcher without any warning or notice or anything. Does anyone know what's happening here or have any tips on how to fix it?

[Lord Ptolemy]

Not a Hexxit Discussion, attempting to make a custom modpack. Moved to Platform Pagoda.