2013-07-02 13:36:11 [SEVERE] Could not pass event InventoryClickEvent to RepairRecipe v0.4.7-beta2
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:363)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
        at net.minecraft.network.NetServerHandler.func_72523_a(NetServerHandler.java:2020)
        at net.minecraft.network.packet.Packet102WindowClick.func_73279_a(SourceFile:31)
        at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
        at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:222)
        at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
        at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:852)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:721)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:605)
        at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.ArithmeticException: / by zero
        at de.funkyclan.mc.RepairRecipe.Recipe.ShapelessRepairRecipe.repairItem(ShapelessRepairRecipe.java:232)
        at de.funkyclan.mc.RepairRecipe.Listener.CraftingListener.onInventoryEvent(CraftingListener.java:112)
        at sun.reflect.GeneratedMethodAccessor62.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:361)
        ... 14 more
2013-07-02 13:36:14 [SEVERE] Could not pass event PrepareItemCraftEvent to RepairRecipe v0.4.7-beta2
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:363)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
        at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.callPreCraftEvent(CraftEventFactory.java:572)
        at net.minecraft.item.crafting.CraftingManager.func_82787_a(CraftingManager.java:342)
        at net.minecraft.inventory.ContainerWorkbench.func_75130_a(ContainerWorkbench.java:77)
        at net.minecraft.inventory.InventoryCrafting.func_70299_a(InventoryCrafting.java:194)
        at net.minecraft.inventory.Slot.func_75215_d(Slot.java:102)
        at net.minecraft.inventory.Container.func_75144_a(Container.java:450)
        at net.minecraft.network.NetServerHandler.func_72523_a(NetServerHandler.java:2026)
        at net.minecraft.network.packet.Packet102WindowClick.func_73279_a(SourceFile:31)
        at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
        at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:222)
        at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
        at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:852)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:721)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:605)
        at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.ArithmeticException: / by zero
        at de.funkyclan.mc.RepairRecipe.Recipe.ShapelessRepairRecipe.repairItem(ShapelessRepairRecipe.java:232)
        at de.funkyclan.mc.RepairRecipe.Listener.CraftingListener.onPrepareItemCraft(CraftingListener.java:74)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:361)
        ... 20 more