[18:41:04 WARN]: [Dragons] Task #33 for Dragons v1.3.1 generated an exception
java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0
        at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) ~[?:?]
        at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) ~[?:?]
        at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) ~[?:?]
        at java.base/java.util.Objects.checkIndex(Objects.java:372) ~[?:?]
        at java.base/java.util.ArrayList.get(ArrayList.java:459) ~[?:?]
        at com.floodeer.dragons.listener.PlayerListener.lambda$onJoin$1(PlayerListener.java:42) ~[?:?]
        at com.floodeer.dragons.util.Runner$3.run(Runner.java:111) ~[?:?]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at java.base/java.lang.Thread.run(Thread.java:829) [?:?]