[19:36:27 WARN]: [MBedwars] Task #4454887 for MBedwars v3.1.1 generated an exception
java.lang.IllegalArgumentException: Cannot measure distance between Ruins and Ruins
        at org.bukkit.Location.distanceSquared(Location.java:456) ~[Spigot.jar:git-PaperSpigot-"8b18730"]
        at org.bukkit.Location.distance(Location.java:439) ~[Spigot.jar:git-PaperSpigot-"8b18730"]
        at de.marcely.bedwars.game.extraitem.GuardDog$1.run(GuardDog.java:64) ~[?:?]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59) ~[Spigot.jar:git-PaperSpigot-"8b18730"]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:349) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:783) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]
[19:36:29 WARN]: [MBedwars] Task #4454887 for MBedwars v3.1.1 generated an exception
java.lang.IllegalArgumentException: Cannot measure distance between Ruins and Ruins
        at org.bukkit.Location.distanceSquared(Location.java:456) ~[Spigot.jar:git-PaperSpigot-"8b18730"]
        at org.bukkit.Location.distance(Location.java:439) ~[Spigot.jar:git-PaperSpigot-"8b18730"]
        at de.marcely.bedwars.game.extraitem.GuardDog$1.run(GuardDog.java:64) ~[?:?]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59) ~[Spigot.jar:git-PaperSpigot-"8b18730"]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:349) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:783) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [Spigot.jar:git-PaperSpigot-"8b18730"]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]