[15:24:57] [Server thread/ERROR]: Could not pass event InventoryClickEvent to Capabilities v1.0
org.bukkit.event.EventException: null
	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:527) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:512) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1983) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_144]
	at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_144]
	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:849) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:773) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_144]
Caused by: java.lang.NullPointerException
	at Ewrs728.TreeCapabilities.Capabilities.GUI(Capabilities.java:192) ~[?:?]
	at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor199.execute(Unknown Source) ~[?:?]
	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[PaperSpigot-1.12.2-b1515.jar:git-Paper-1515]
	... 16 more