[04:53:29] [Server thread/INFO]: World DIM-7 is a duplicate of another world and has been prevented from loading. Please delete the uid.dat file from DIM-7's world directory if you want to be able to load the duplicate world.
[04:53:57] [Server thread/WARN]: net.minecraft.world.MinecraftException: The save folder for world ./world/DIM-7 is being accessed from another location, aborting
[04:53:57] [Server thread/WARN]:        at net.minecraft.world.storage.SaveHandler.func_75762_c(SaveHandler.java:98)
[04:53:57] [Server thread/WARN]:        at net.minecraft.world.World.func_72906_B(World.java:4238)
[04:53:57] [Server thread/WARN]:        at net.minecraft.world.WorldServer.func_73042_a(WorldServer.java:1080)
[04:53:57] [Server thread/WARN]:        at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1046)
[04:53:57] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.save(CraftWorld.java:791)
[04:53:57] [Server thread/WARN]:        at org.bukkit.command.defaults.SaveCommand.execute(SaveCommand.java:30)
[04:53:57] [Server thread/WARN]:        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181)
[04:53:57] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:717)
[04:53:57] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchServerCommand(CraftServer.java:697)
[04:53:57] [Server thread/WARN]:        at net.minecraft.server.dedicated.DedicatedServer.func_71333_ah(DedicatedServer.java:465)
[04:53:57] [Server thread/WARN]:        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:424)
[04:53:57] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798)
[04:53:57] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658)
[04:53:57] [Server thread/WARN]:        at java.lang.Thread.run(Thread.java:745)