Big ERRORR! if you do / furniture recipe ID and then you click on the GREEEN book and then click on any information it gives you, it gives you all the ITEMS of the crafteo! everybody! please! Fix the error that you can not click on the green book or create another interface that provides the information! Thank you

[14:47:16 ERROR]: Could not pass event PrepareItemCraftEvent to FurnitureLib v1.9.9.6
org.bukkit.event.EventException: null
at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:37) ~[patched_1.12.2.jar:git-Paper-1549]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1549]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1549]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:527) ~[patched_1.12.2.jar:git-Paper-1549]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:512) ~[patched_1.12.2.jar:git-Paper-1549]
at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPreCraftEvent(CraftEventFactory.java:801) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.Container.a(Container.java:641) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.ContainerWorkbench.a(ContainerWorkbench.java:54) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.InventoryCrafting.setItem(InventoryCrafting.java:130) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.Slot.set(SourceFile:79) ~[patched_1.12.2.jar:git-Paper-1549]
at org.bukkit.craftbukkit.v1_12_R1.inventory.CraftInventoryView.setItem(CraftInventoryView.java:54) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.Container.a(Container.java:198) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1946) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1549]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_171]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_171]
at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1549]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1549]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]
Caused by: java.lang.NullPointerException
at de.Ste3et_C0st.FurnitureLib.Events.internal.onCrafting.onCraftingEvent(onCrafting.java:27) ~[?:?]
at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:35) ~[patched_1.12.2.jar:git-Paper-1549]
... 23 more

Big ERRORR! if you do / furniture recipe ID and then you click on the GREEEN book and then click on any information it gives you, it gives you all the ITEMS of the crafteo! everybody! please! Fix the error that you can not click on the green book or create another interface that provides the information! Thank you