[09:16:53 WARN]: [Werewolf] Task #3648 for Werewolf v1.5.4 generated an exception
java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0
        at jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) ~[?:?]
        at jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) ~[?:?]
        at jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) ~[?:?]
        at java.util.Objects.checkIndex(Objects.java:372) ~[?:?]
        at java.util.ArrayList.get(ArrayList.java:459) ~[?:?]
        at us.rfsmassacre.Werewolf.Managers.ClanManager$1.run(ClanManager.java:158) ~[?:?]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:100) ~[patched_1.16.5.jar:git-Paper-553]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:468) ~[patched_1.16.5.jar:git-Paper-553]
        at net.minecraft.server.v1_16_R3.MinecraftServer.b(MinecraftServer.java:1301) ~[patched_1.16.5.jar:git-Paper-553]
        at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:379) ~[patched_1.16.5.jar:git-Paper-553]
        at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1216) ~[patched_1.16.5.jar:git-Paper-553]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1004) ~[patched_1.16.5.jar:git-Paper-553]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:177) ~[patched_1.16.5.jar:git-Paper-553]
        at java.lang.Thread.run(Thread.java:834) [?:?]