it whenever i enter a world it says "internal server shutting down"

Can you send me your log file?

---- Minecraft Crash Report ----

WARNING: coremods are present:
LittlePatchingLoader (LittleTiles_v1.5.0-pre153_mc1.12.2.jar)
CreativePatchingLoader (CreativeCore_v1.9.57_mc1.12.2.jar)
Contact their authors BEFORE contacting forge

// There are four lights!

Time: 7/30/19 6:54 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:130)
at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:66)
at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillGameProfile(YggdrasilMinecraftSessionService.java:180)
at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillProfileProperties(YggdrasilMinecraftSessionService.java:173)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2420)
at net.minecraftforge.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:734)
at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_186777_e(GuiListWorldSelectionEntry.java:249)
at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_186774_a(GuiListWorldSelectionEntry.java:199)
at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_148278_a(GuiListWorldSelectionEntry.java:163)
at net.minecraft.client.gui.GuiListExtended.func_148179_a(SourceFile:41)
at net.minecraft.client.gui.GuiWorldSelection.func_73864_a(SourceFile:117)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:533)
at net.minecraft.client.gui.GuiWorldSelection.func_146274_d(SourceFile:49)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:501)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1758)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1097)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:397)
at net.minecraft.client.main.Main.main(SourceFile:123)
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:130)
at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:66)
at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillGameProfile(YggdrasilMinecraftSessionService.java:180)
at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillProfileProperties(YggdrasilMinecraftSessionService.java:173)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2420)
at net.minecraftforge.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:734)
at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_186777_e(GuiListWorldSelectionEntry.java:249)
at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_186774_a(GuiListWorldSelectionEntry.java:199)
at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_148278_a(GuiListWorldSelectionEntry.java:163)
at net.minecraft.client.gui.GuiListExtended.func_148179_a(SourceFile:41)
at net.minecraft.client.gui.GuiWorldSelection.func_73864_a(SourceFile:117)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:533)
at net.minecraft.client.gui.GuiWorldSelection.func_146274_d(SourceFile:49)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:501)

-- Affected screen --
Details:
Screen name: net.minecraft.client.gui.GuiScreenWorking
Stacktrace:
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1758)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1097)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:397)
at net.minecraft.client.main.Main.main(SourceFile:123)
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: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_211, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 123062328 bytes (117 MB) / 428503040 bytes (408 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.42 Powered by Forge 14.23.5.2768 8 mods loaded, 8 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

| State     | ID                | Version      | Source                                 | Signature                                |
|:--------- |:----------------- |:------------ |:-------------------------------------- |:---------------------------------------- |
| UCHIJAAAA | minecraft         | 1.12.2       | minecraft.jar                          | None                                     |
| UCHIJAAAA | mcp               | 9.42         | minecraft.jar                          | None                                     |
| UCHIJAAAA | FML               | 8.0.99.99    | forge-1.12.2-14.23.5.2768.jar          | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| UCHIJAAAA | forge             | 14.23.5.2768 | forge-1.12.2-14.23.5.2768.jar          | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| UCHIJAAAA | creativecoredummy | 1.0.0        | minecraft.jar                          | None                                     |
| UCHIJAAAA | littletilescore   | 1.0.0        | minecraft.jar                          | None                                     |
| UCHIJAAAA | creativecore      | 1.9.9        | CreativeCore_v1.9.57_mc1.12.2.jar      | None                                     |
| UCHIJAAAA | littletiles       | 1.5.0        | LittleTiles_v1.5.0-pre153_mc1.12.2.jar | None                                     |

Loaded coremods (and transformers): 

LittlePatchingLoader (LittleTiles_v1.5.0-pre153_mc1.12.2.jar)
com.creativemd.littletiles.LittleTilesTransformer
CreativePatchingLoader (CreativeCore_v1.9.57_mc1.12.2.jar)

GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 24.20.100.6170' Renderer: 'Intel(R) HD Graphics 520'
Launched Version: 1.12.2-forge1.12.2-14.23.5.2768
LWJGL: 2.9.4
OpenGL: Intel(R) HD Graphics 520 GL version 4.5.0 - Build 24.20.100.6170, Intel
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: 4x Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz

wait no

That's an actual crash.

im new to github

how do i send it?

is this what you are talking about?
2019-05-12-1.log.gz
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debug.log
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debug-5.log.gz
fml-client-1.log
fml-client-2.log
fml-client-3.log
fml-client-latest.log
fml-junk-earlystartup.log

Oh you are using illegally uploaded versions and it's from 1.7.10 as well. Don't use these websites, they steal my content and make profit from it. Only download mods from curseforge or the author's website.