18:49:14 [SEVERE] Could not pass event PrepareItemCraftEvent to 3DManeuverGear v1.1
18:49:14 org.bukkit.event.EventException: null
18:49:14 	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:499) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:484) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPreCraftEvent(CraftEventFactory.java:772) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.Container.a(Container.java:652) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.ContainerWorkbench.a(ContainerWorkbench.java:54) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.InventoryCrafting.splitStack(InventoryCrafting.java:122) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.SlotResult.a(SourceFile:72) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.ContainerWorkbench.b(ContainerWorkbench.java:106) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.Container.a(Container.java:251) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1885) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:14 	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:15 	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_141]
18:49:15 	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_141]
18:49:15 	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:15 	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:747) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:15 	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:15 	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:15 	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:15 	at java.lang.Thread.run(Unknown Source) [?:1.8.0_141]
18:49:15 Caused by: java.lang.NullPointerException
18:49:15 	at me.finnbon.maneuvergear.crafting.CraftingManager.craft(CraftingManager.java:40) ~[?:?]
18:49:15 	at sun.reflect.GeneratedMethodAccessor459.invoke(Unknown Source) ~[?:?]
18:49:15 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_141]
18:49:15 	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_141]
18:49:15 	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
18:49:15 	... 22 more