a new problem detect.
[18:10:07] [Server thread/ERROR] [FML]: Parsing error loading recipe of:item_mug
com.google.gson.JsonSyntaxException: Unknown item 'of:item_mug'
at net.minecraftforge.common.crafting.CraftingHelper.getItemStack(CraftingHelper.java:214) ~[CraftingHelper.class:?]
at net.minecraftforge.oredict.ShapedOreRecipe.factory(ShapedOreRecipe.java:254) ~[ShapedOreRecipe.class:?]
at net.minecraftforge.common.crafting.CraftingHelper.getRecipe(CraftingHelper.java:416) ~[CraftingHelper.class:?]
at net.minecraftforge.common.crafting.CraftingHelper.lambda$loadRecipes$22(CraftingHelper.java:723) ~[CraftingHelper.class:?]
at net.minecraftforge.common.crafting.CraftingHelper.findFiles(CraftingHelper.java:833) ~[CraftingHelper.class:?]
at net.minecraftforge.common.crafting.CraftingHelper.loadRecipes(CraftingHelper.java:688) ~[CraftingHelper.class:?]
at java.util.ArrayList.forEach(ArrayList.java:1257) [?:1.8.0_222]
at net.minecraftforge.common.crafting.CraftingHelper.loadRecipes(CraftingHelper.java:633) [CraftingHelper.class:?]
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:747) [Loader.class:?]
at net.minecraftforge.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:108) [FMLServerHandler.class:?]
at net.minecraftforge.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:338) [FMLCommonHandler.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:219) [nz.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]