Forge 1.10.2 Can't Create Singleplayer World

I just downloaded by using forge-1.10.2-12.18.3.2185-installer-win and this is the crash report i get when i try to create a new world

---- Minecraft Crash Report ----
// I just don't know what went wrong :(

Time: 6/27/17 8:38 PM
Description: Updating screen events

com.eclipsesource.json.ParseException: Expected value at 1:0
	at com.eclipsesource.json.JsonParser.error(JsonParser.java:371)
	at com.eclipsesource.json.JsonParser.expected(JsonParser.java:364)
	at com.eclipsesource.json.JsonParser.readValue(JsonParser.java:97)
	at com.eclipsesource.json.JsonParser.parse(JsonParser.java:62)
	at com.eclipsesource.json.JsonValue.readFrom(JsonValue.java:105)
	at com.eclipsesource.json.JsonObject.readFrom(JsonObject.java:138)
	at info.mineshafter.datasources.MineshafterProfileAuthority.getProfile(MineshafterProfileAuthority.java:51)
	at info.mineshafter.storage.Profiles.byId(Profiles.java:74)
	at info.mineshafter.intercept.ProfileHandler.getProfile(ProfileHandler.java:75)
	at info.mineshafter.intercept.ProfileHandler.handle(ProfileHandler.java:51)
	at info.mineshafter.hacks.URLConnectionAdapter.doRequest(URLConnectionAdapter.java:43)
	at info.mineshafter.hacks.URLConnectionAdapter.getInputStream(URLConnectionAdapter.java:59)
	at com.mojang.authlib.HttpAuthenticationService.performGetRequest(HttpAuthenticationService.java:126)
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:54)
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillGameProfile(YggdrasilMinecraftSessionService.java:175)
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillProfileProperties(YggdrasilMinecraftSessionService.java:168)
	at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2350)
	at net.minecraft.client.gui.GuiCreateWorld.func_146284_a(GuiCreateWorld.java:224)
	at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:460)
	at net.minecraft.client.gui.GuiCreateWorld.func_73864_a(GuiCreateWorld.java:408)
	at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:548)
	at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:517)
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1700)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1055)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:371)
	at net.minecraft.client.main.Main.main(SourceFile:124)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at info.mineshafter.GameStarter.main(GameStarter.java:24)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Client thread
Stacktrace:
	at com.eclipsesource.json.JsonParser.error(JsonParser.java:371)
	at com.eclipsesource.json.JsonParser.expected(JsonParser.java:364)
	at com.eclipsesource.json.JsonParser.readValue(JsonParser.java:97)
	at com.eclipsesource.json.JsonParser.parse(JsonParser.java:62)
	at com.eclipsesource.json.JsonValue.readFrom(JsonValue.java:105)
	at com.eclipsesource.json.JsonObject.readFrom(JsonObject.java:138)
	at info.mineshafter.datasources.MineshafterProfileAuthority.getProfile(MineshafterProfileAuthority.java:51)
	at info.mineshafter.storage.Profiles.byId(Profiles.java:74)
	at info.mineshafter.intercept.ProfileHandler.getProfile(ProfileHandler.java:75)
	at info.mineshafter.intercept.ProfileHandler.handle(ProfileHandler.java:51)
	at info.mineshafter.hacks.URLConnectionAdapter.doRequest(URLConnectionAdapter.java:43)
	at info.mineshafter.hacks.URLConnectionAdapter.getInputStream(URLConnectionAdapter.java:59)
	at com.mojang.authlib.HttpAuthenticationService.performGetRequest(HttpAuthenticationService.java:126)
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:54)
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillGameProfile(YggdrasilMinecraftSessionService.java:175)
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillProfileProperties(YggdrasilMinecraftSessionService.java:168)
	at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2350)
	at net.minecraft.client.gui.GuiCreateWorld.func_146284_a(GuiCreateWorld.java:224)
	at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:460)
	at net.minecraft.client.gui.GuiCreateWorld.func_73864_a(GuiCreateWorld.java:408)
	at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:548)
	at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:517)

-- Affected screen --
Details:
	Screen name: net.minecraft.client.gui.GuiScreenWorking
Stacktrace:
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1700)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1055)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:371)
	at net.minecraft.client.main.Main.main(SourceFile:124)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at info.mineshafter.GameStarter.main(GameStarter.java:24)

-- System Details --
Details:
	Minecraft Version: 1.10.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.8.0_101, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 183457864 bytes (174 MB) / 501424128 bytes (478 MB) up to 523501568 bytes (499 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	FML: MCP 9.32 Powered by Forge 12.18.3.2185 4 mods loaded, 4 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJAAAA	mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) 
	UCHIJAAAA	FML{8.0.99.99} [Forge Mod Loader] (forge-1.10.2-12.18.3.2185.jar) 
	UCHIJAAAA	Forge{12.18.3.2185} [Minecraft Forge] (forge-1.10.2-12.18.3.2185.jar) 
	UCHIJAAAA	mercurius_updater{1.0} [mercurius_updater] (MercuriusUpdater-1.10.2.jar) 
	Loaded coremods (and transformers): 
	GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.4.13283 Compatibility Profile Context 14.501.1003.0' Renderer: 'AMD Radeon HD 6570'
	Launched Version: 1.10.2-forge1.10.2-12.18.3.2185
	LWJGL: 2.9.4
	OpenGL: AMD Radeon HD 6570 GL version 4.4.13283 Compatibility Profile Context 14.501.1003.0, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: Yes
	Is Modded: Definitely; Client brand changed to 'fml,forge'
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	CPU: 2x Pentium(R) Dual-Core CPU E5300 @ 2.60GHz

If someone could help it would be nice.