[03:40:08 ERROR]: Could not pass event PlayerInteractEvent to EpicFurnaces v4.3.2
org.bukkit.event.EventException: null
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1615]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1615]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1615]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1615]
        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:236) ~[patched_1.12.2.jar:git-Paper-1615]
        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:203) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.PlayerInteractManager.a(PlayerInteractManager.java:109) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:934) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.PacketPlayInBlockDig.a(SourceFile:40) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.PacketPlayInBlockDig.a(SourceFile:10) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1615]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_211]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_211]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1615]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1615]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_211]
Caused by: java.lang.IllegalArgumentException: No enum constant org.bukkit.Material.SUNFLOWER
        at java.lang.Enum.valueOf(Enum.java:238) ~[?:1.8.0_211]
        at org.bukkit.Material.valueOf(Material.java:71) ~[patched_1.12.2.jar:git-Paper-1615]
        at com.songoda.epicfurnaces.gui.GUIOverview.constructGUI(GUIOverview.java:166) ~[?:?]
        at com.songoda.epicfurnaces.utils.gui.AbstractGUI.init(AbstractGUI.java:127) ~[?:?]
        at com.songoda.epicfurnaces.gui.GUIOverview.<init>(GUIOverview.java:35) ~[?:?]
        at com.songoda.epicfurnaces.furnace.Furnace.overview(Furnace.java:59) ~[?:?]
        at com.songoda.epicfurnaces.listeners.InteractListeners.onClick(InteractListeners.java:44) ~[?:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor507.execute(Unknown Source) ~[?:?]        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1615]
        ... 18 more