Crash when loading into singleplayer world

[Naps4Days69420]

so when i try to load into my world it says Shutting down initial server. here are the crash logs

 

java.lang.RuntimeException: Unknown character '' in '[minecraft_dir]/saves/mapwriter_sp_worlds/[save dir]/mapwriter.cfg:1'

    at net.minecraftforge.common.Configuration.load(Configuration.java:625)
    at net.minecraftforge.common.Configuration.<init>(Configuration.java:100)
    at net.minecraftforge.common.Configuration.<init>(Configuration.java:106)
    at mapwriter.forge.MwConfig.<init>(MwConfig.java:12)
    at mapwriter.Mw.loadWorldConfig(Mw.java:238)
    at mapwriter.Mw.onClientLoggedIn(Mw.java:475)
    at mapwriter.forge.MwConnectionHandler.clientLoggedIn(MwConnectionHandler.java:52)
    at cpw.mods.fml.common.network.NetworkRegistry.clientLoggedIn(NetworkRegistry.java:211)
    at cpw.mods.fml.common.network.FMLNetworkHandler.onConnectionEstablishedToServer(FMLNetworkHandler.java:91)
    at net.minecraft.client.multiplayer.NetClientHandler.func_72455_a(NetClientHandler.java:357)
    at net.minecraft.network.packet.Packet1Login.func_73279_a(Packet1Login.java:119)
    at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89)
    at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1967)
    at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:910)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
    at net.minecraft.client.main.Main.main(SourceFile:101)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(-2)
    at sun.reflect.NativeMethodAccessorImpl.invoke(-1)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(-1)
    at java.lang.reflect.Method.invoke(-1)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

[JaariAtmc]

Go here: "

'[minecraft_dir]/saves/mapwriter_sp_worlds/[save dir]/mapwriter.cfg:1

Delete that config file. You will lose the waypoints on your minimap.