[21:54:20] [Server thread / ERROR] Could not pass event InventoryClickEvent to CustomArrow vMysthoria org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader $ 1.execute (JavaPluginLoader.java:310) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at org.bukkit.plugin.RegisteredListener.callEvent (RegisteredListener.java:62) ~ [spigotmc-1.8.8-R0.1. jar: git-Spigot-e4d4710-e1ebe52] at org.bukkit.plugin.SimplePluginManager.fireEvent (SimplePluginManager.java:502) [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at org .bukkit.plugin.SimplePluginManager.callEvent (SimplePluginManager.java:487) [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.PlayerConnection.a (PlayerConnection .java: 1630) [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.PacketPlayInWindowClick.a (SourceFile: 31) [spigotmc-1.8.8- R0.1.jar: git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.PacketPlayInWindowClick.a (SourceFile: 9) [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710- e1ebe52] at net.minecraft.server.v1_8_R3.PlayerConnectionUtils $ 1.run (SourceFile: 13) [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at $ java.util.concurrent.Executors RunnableAdapter.call (Executors.java:511) [: 1.8.0_92] at java.util.concurrent.FutureTask.run (FutureTask.java:266) [: 1.8.0_92] at net.minecraft.server.v1_8_R3. SystemUtils.a (SourceFile: 44) [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.B (MinecraftServer.java:715) [spigotmc -1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.DedicatedServer.B (DedicatedServer.java:374) [spigotmc-1.8.8-R0.1.jar : git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.A (MinecraftServer.java:654) [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.run (MinecraftServer.java:557) [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at java.lang.Thread.run (Thread. java: 745) [: 1.8.0_92] Caused by: org.bukkit.command.CommandException: Unhandled exception executing command 'arrow' in plugin CustomArrow vMysthoria at org.bukkit.command.PluginCommand.execute (PluginCommand.java:46) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at org.bukkit.command.SimpleCommandMap.dispatch (SimpleCommandMap.java:141) ~ [spigotmc-1.8.8-R0.1 .jar: git-Spigot-e4d4710-e1ebe52] at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand (CraftServer.java:641) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710- e1ebe52] at org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer.performCommand (CraftPlayer.java:242) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at com.mysthoria. customarrow.ya (EventInventoryClick.java:61) ~ [:?] at sun.reflect.GeneratedMethodAccessor608.invoke (Unknown Source) ~ [:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) ~ [: 1.8.0_92] at java.lang.reflect.Method.invoke (Method.java:498) ~ [: 1.8.0_92] at org.bukkit.plugin.java.JavaPluginLoader $ 1.execute (JavaPluginLoader.java: 306) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] ... 15 more Caused by: java.lang.NullPointerException at com.mysthoria.customarrow.J.onCommand (MainCommand. java: 1063) ~ [:?] at org.bukkit.command.PluginCommand.execute (PluginCommand.java:44) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at org.bukkit.command.SimpleCommandMap.dispatch (SimpleCommandMap.java:141) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand (CraftServer.java:641) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer.performCommand (CraftPlayer.java:242) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52] at com.mysthoria.customarrow.ya (EventInventoryClick.java:61) ~ [:?] at sun.reflect.GeneratedMethodAccessor608. invoke (Unknown Source) ~ [:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) ~ [: 1.8.0_92] at java.lang.reflect.Method.invoke (Method.java:498 ) ~ [: 1.8.0_92] at org.bukkit.plugin.java.JavaPluginLoader $ 1.execute (JavaPluginLoader.java:306) ~ [spigotmc-1.8.8-R0.1.jar: git-Spigot-e4d4710-e1ebe52 ] ... 15 more