I am testing an update on my modapck and i have added 10 or so mods and they should've been able to run but i had a weird crash and i had no erroring mods so i didn't report a crash to any mods in my pack. Log is below

crash-2017-06-20_13.08.56-client.txt

Quote

java.lang.ClassCastException: com.google.gson.JsonObject cannot be cast to com.google.gson.JsonArray
    at com.google.gson.JsonObject.getAsJsonArray(JsonObject.java:181)
    at net.minecraftforge.common.crafting.CraftingHelper.loadRecipes(CraftingHelper.java:738)
    at net.minecraftforge.common.crafting.CraftingHelper.lambda$loadRecipes$22(CraftingHelper.java:612)
    at net.minecraftforge.common.crafting.CraftingHelper$$Lambda$326/713193000.accept(Unknown Source)
    at java.util.ArrayList.forEach(ArrayList.java:1249)
    at net.minecraftforge.common.crafting.CraftingHelper.loadRecipes(CraftingHelper.java:612)
    at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:828)
    at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:358)

 

One of your mods has added an invalid recipe via JSON. Unfortunately the crash report doesn't say which one, so you'll need to remove mods until it stops crashing to figure out which one it is.

I've created a Pull Request to fix this crash here. If the PR is merged, this particular error will be logged like other syntax errors instead of crashing the game.