loading map

013-01-28 16:59:28 [INFO] [STDERR] Exception in thread "Server thread" cpw.mods.fml.common.LoaderException
2013-01-28 16:59:28 [INFO] [STDERR]     at cpw.mods.fml.common.LoadController.transition(LoadController.java:117)
2013-01-28 16:59:28 [INFO] [STDERR]     at cpw.mods.fml.common.Loader.serverStopped(Loader.java:761)
2013-01-28 16:59:28 [INFO] [STDERR]     at cpw.mods.fml.common.FMLCommonHandler.handleServerStopped(FMLCommonHandler.java:464)
2013-01-28 16:59:28 [INFO] [STDERR]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:559)
2013-01-28 16:59:28 [INFO] [STDERR]     at fy.run(SourceFile:849)