[17:52:24] [Client thread/INFO] [FML/Forge]: Unknown recipe class! nl.lang2619.bagginses.items.SoulBoundBagRecipe Modder please refer to net.minecraftforge.oredict.RecipeSorter

Could cause crashes. See williewillus/Botania#322 (comment).
[[Cannot tell if major change or if really that unstable but depending on @GirafiStudios comments it should be changed]]

Ahh thanks for pointing this out. I'll take a look at it and get this fixed :)

This should be fixed in 2.4.2a

(And git doesn't close unless in master branch)