[18:08:15 ERROR]: Could not pass event InventoryClickEvent to PlayerWarps v5.0.8
org.bukkit.event.EventException: null
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:2002) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_242]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_242]
at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[PaperSpigot-1.12.2.jar:git-Paper-1615]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242]
Caused by: java.lang.NullPointerException