Versions

• Charm version - 2.3.2
• Minecraft version - 1.6.5
• Quark version - r2.4-308

Description
When loading a world the following error is thrown and when a plank is placed in the woodcutter you see an empty slot:

[08:55:41] [Render thread/ERROR] [me.je.re.RecipeManager/]: Found a broken recipe: Charm charm:woodcutters/quark/oak_ladder_from_oak_planks class svenhjol.charm.recipe.WoodcuttingRecipe
Outputs:
net.minecraft.item.ItemStack: [[4 air minecraft:air]]
Inputs:
net.minecraft.item.ItemStack: [[1 oak_planks minecraft:oak_planks]]

having the same issue here. :)