[20:55:52] [Server thread/WARN]: [MBedwars] Task #3354 for MBedwars v4.0-PreRelease-2.3 generated an exception
java.lang.IllegalArgumentException: Cannot measure distance between lobby and Frozen
    at org.bukkit.Location.distanceSquared(Location.java:460) ~[Spigot.jar:git-Spigot-dcd1643-e60fc34]
    at org.bukkit.Location.distance(Location.java:443) ~[Spigot.jar:git-Spigot-dcd1643-e60fc34]
    at de.marcely.bedwars.util.i.a(Util.java:2108) ~[?:?]
    at de.marcely.bedwars.game.extraitem.f$1.run(TNTSheep.java:56) ~[?:?]
    at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[Spigot.jar:git-Spigot-dcd1643-e60fc34]
    at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [Spigot.jar:git-Spigot-dcd1643-e60fc34]
    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [Spigot.jar:git-Spigot-dcd1643-e60fc34]
    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [Spigot.jar:git-Spigot-dcd1643-e60fc34]
    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [Spigot.jar:git-Spigot-dcd1643-e60fc34]
    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [Spigot.jar:git-Spigot-dcd1643-e60fc34]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]