: [Shopkeepers] Task #47 for Shopkeepers v1.52 generated an exception
java.lang.IllegalArgumentException: Cannot measure distance between world_the_end and worldspawn
	at org.bukkit.Location.distanceSquared(Location.java:448) ~[sv.jar:git-Spigot-1649]
	at com.nisovin.shopkeepers.shopobjects.living.LivingEntityShop.check(LivingEntityShop.java:231) ~[?:?]
	at com.nisovin.shopkeepers.Shopkeeper.teleport(Shopkeeper.java:172) ~[?:?]
	at com.nisovin.shopkeepers.ShopkeepersPlugin$4.run(ShopkeepersPlugin.java:244) ~[?:?]
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71) ~[sv.jar:git-Spigot-1649]
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sv.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:641) [sv.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [sv.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [sv.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [sv.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [sv.jar:git-Spigot-1649]
[07:28:11]