[15:35:57] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing 'join 3' in pl.mikigal.parkour.commands.user.JoinCommand(join)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:148) ~[spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) ~[spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_151]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_151]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Caused by: java.lang.IndexOutOfBoundsException: Index: 302, Size: 302
	at java.util.ArrayList.rangeCheck(ArrayList.java:657) ~[?:1.8.0_151]
	at java.util.ArrayList.get(ArrayList.java:433) ~[?:1.8.0_151]
	at pl.mikigal.parkour.utils.LevelUtils.checkLevel(LevelUtils.java:28) ~[?:?]
	at pl.mikigal.parkour.commands.user.JoinCommand.execute(JoinCommand.java:63) ~[?:?]
	at pl.mikigal.parkour.commands.Command.execute(Command.java:74) ~[?:?]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.8.8-R0.1-SNAPSHOT.jar:git-Spigot-21fe707-e1ebe52]
	... 14 more

//exp na -