Minecraft crashes instantly when I run a test environment

Also: MCreator crashed whenever I try to select an external texture or model. (SEPERATE ISSUE)

It says that no element is causing this (main) issue.

Here's the log:

Executing gradle command: clean runClient
Microsoft Windows [Version 10.0.15063]
(c) 2017 ROBLOX Corporation. All rights reserved.
C:\Pylo\MCreator176>cd forge
C:\Pylo\MCreator176\forge>SET "JAVA_HOME=C:\Pylo\MCreator176\jdk64\"
C:\Pylo\MCreator176\forge>SET JAVA_EXE=%JAVA_HOME%\bin\java.exe
C:\Pylo\MCreator176\forge>SET PATH=%JAVA_HOME%\bin\;%PATH%
C:\Pylo\MCreator176\forge>gradlew -Dorg.gradle.jvmargs="-Xms128m -Xmx1765m" clean runClient 
This mapping 'snapshot_20170624' was designed for MC 1.12! Use at your own peril.
#################################################
         ForgeGradle 2.3-SNAPSHOT-f49079d        
  https://github.com/MinecraftForge/ForgeGradle  
#################################################
               Powered by MCP unknown               
             http://modcoderpack.com             
         by: Searge, ProfMobius, Fesh0r,         
         R4wk, ZeuX, IngisKahn, bspkrs           
#################################################
:clean
:deobfCompileDummyTask
:deobfProvidedDummyTask
:sourceApiJava
:compileApiJava UP-TO-DATE
:processApiResources UP-TO-DATE
:apiClasses UP-TO-DATE
:sourceMainJava
:compileJava
:processResources
:classes
:jar
:getVersionJson
:extractNatives SKIPPED
:extractUserdev UP-TO-DATE
:getAssetIndex UP-TO-DATE
:getAssets
Current status: 69/1281   5%
Current status: 137/1281   10%
Current status: 225/1281   17%
Current status: 304/1281   23%
Current status: 371/1281   28%
Current status: 476/1281   37%
Current status: 582/1281   45%
Current status: 688/1281   53%
Current status: 807/1281   62%
Current status: 865/1281   67%
Current status: 991/1281   77%
Current status: 1095/1281   85%
Current status: 1214/1281   94%
:makeStart
:runClient
2017-12-02 16:40:32,862 main WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
2017-12-02 16:40:32,878 main WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
[16:40:33] [main/INFO] [GradleStart]: Extra: []
[16:40:33] [main/INFO] [GradleStart]: Running with arguments: [--userProperties, {}, --assetsDir, C:/Users/asher/.gradle/caches/minecraft/assets, --assetIndex, 1.12, --accessToken{REDACTED}, --version, 1.12.2, --tweakClass, net.minecraftforge.fml.common.launcher.FMLTweaker, --tweakClass, net.minecraftforge.gradle.tweakers.CoremodTweaker]
[16:40:33] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[16:40:33] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[16:40:33] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.CoremodTweaker
[16:40:33] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[16:40:33] [main/INFO] [FML]: Forge Mod Loader version 14.23.0.2491 for Minecraft 1.12.2 loading
[16:40:33] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_101, running on Windows 10:amd64:10.0, installed at C:\Pylo\MCreator176\jdk64\jre
[16:40:34] [main/INFO] [FML]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
[16:40:34] [main/INFO] [FML]: Ignoring missing certificate for coremod FMLCorePlugin (net.minecraftforge.fml.relauncher.FMLCorePlugin), we are in deobf and it's a forge core plugin
[16:40:34] [main/INFO] [FML]: Ignoring missing certificate for coremod FMLForgePlugin (net.minecraftforge.classloading.FMLForgePlugin), we are in deobf and it's a forge core plugin
[16:40:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.CoremodTweaker
[16:40:34] [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.fml.relauncher.FMLCorePlugin
[16:40:34] [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.classloading.FMLForgePlugin
[16:40:34] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:40:34] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[16:40:34] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
[16:40:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:40:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:40:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
2017-12-02 16:40:35,128 main WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
2017-12-02 16:40:35,784 main WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
2017-12-02 16:40:35,816 main WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
[16:40:37] [main/ERROR] [FML]: FML appears to be missing any signature data. This is not a good thing
[16:40:37] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:40:37] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[16:40:39] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
[16:40:39] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker
[16:40:39] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker
[16:40:39] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[16:40:41] [main/INFO]: Setting user: Player776
[16:40:51] [main/WARN]: Skipping bad option: lastServer:
[16:40:51] [main/INFO]: LWJGL Version: 2.9.4
[16:40:53] [main/INFO] [FML]: -- System Details --
Details:
   Minecraft Version: 1.12.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_101, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 101866864 bytes (97 MB) / 457703424 bytes (436 MB) up to 1657274368 bytes (1580 MB)
   JVM Flags: 0 total; 
   IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
   FML: 
   Loaded coremods (and transformers): 
   GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.5.13399 Compatibility Profile Context 15.201.1101.0' Renderer: 'AMD Radeon R5'
[16:40:54] [main/INFO] [FML]: MinecraftForge v14.23.0.2491 Initialized
[16:40:54] [main/INFO] [FML]: Starts to replace vanilla recipe ingredients with ore ingredients.
[16:40:54] [main/INFO] [FML]: Replaced 1036 ore ingredients
[16:40:55] [main/INFO] [FML]: Found 0 mods from the command line. Injecting into mod discoverer
[16:40:55] [main/INFO] [FML]: Searching C:\Pylo\MCreator176\forge\run\mods for mods
[16:40:57] [Thread-3/INFO] [FML]: Using sync timing. 200 frames of Display.update took 177657009 nanos
[16:40:59] [main/INFO] [testenvironmentmod]: Mod testenvironmentmod is missing the required element 'name'. Substituting testenvironmentmod
[16:40:59] [main/INFO] [FML]: Forge Mod Loader has identified 5 mods to load
[16:40:59] [main/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, testenvironmentmod] at CLIENT
[16:40:59] [main/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, testenvironmentmod] at SERVER
[16:41:02] [main/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:testenvironmentmod
[16:41:02] [main/INFO] [FML]: Processing ObjectHolder annotations
[16:41:02] [main/INFO] [FML]: Found 1168 ObjectHolder annotations
[16:41:02] [main/INFO] [FML]: Identifying ItemStackHolder annotations
[16:41:02] [main/INFO] [FML]: Found 0 ItemStackHolder annotations
[16:41:02] [main/INFO] [FML]: Configured a dormant chunk cache size of 0
[16:41:02] [Forge Version Check/INFO] [ForgeVersionCheck]: [forge] Starting version check at http://files.minecraftforge.net/maven/net/minecraftforge/forge/promotio…
[16:41:02] [main/INFO] [FML]: OBJLoader: Domain testenvironmentmod has been added.
[16:41:02] [main/INFO] [FML]: Applying holder lookups
[16:41:02] [main/INFO] [FML]: Holder lookups applied
[16:41:02] [main/INFO] [FML]: Applying holder lookups
[16:41:02] [main/INFO] [FML]: Holder lookups applied
[16:41:02] [main/INFO] [FML]: Applying holder lookups
[16:41:02] [main/INFO] [FML]: Holder lookups applied
[16:41:02] [main/INFO] [FML]: Applying holder lookups
[16:41:02] [main/INFO] [FML]: Holder lookups applied
[16:41:02] [main/INFO] [FML]: Injecting itemstacks
[16:41:02] [main/INFO] [FML]: Itemstack injection complete
[16:41:03] [Forge Version Check/INFO] [ForgeVersionCheck]: [forge] Found status: OUTDATED Target: 14.23.1.2555
[16:41:08] [Sound Library Loader/INFO]: Starting up SoundSystem...
[16:41:08] [Thread-5/INFO]: Initializing LWJGL OpenAL
[16:41:08] [Thread-5/INFO]: (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
[16:41:09] [Thread-5/INFO]: OpenAL initialized.
[16:41:09] [Sound Library Loader/INFO]: Sound engine started
[16:41:20] [main/INFO] [FML]: Max texture size: 16384
[16:41:22] [main/INFO]: Created: 512x512 textures-atlas
[16:41:30] [main/INFO] [FML]: Applying holder lookups
[16:41:30] [main/INFO] [FML]: Holder lookups applied
[16:41:30] [main/INFO] [FML]: OBJLoader: Domain testenvironmentmod has been added.
[16:41:30] [main/FATAL] [FML]: Fatal errors were detected during the transition from INITIALIZATION to POSTINITIALIZATION. Loading cannot continue
[16:41:30] [main/FATAL] [FML]: 
   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 |
   |:----- |:------------------ |:------------ |:-------------------------------- |:--------- |
   | UCHI  | minecraft          | 1.12.2       | minecraft.jar                    | None      |
   | UCHI  | mcp                | 9.42         | minecraft.jar                    | None      |
   | UCHI  | FML                | 8.0.99.99    | forgeSrc-1.12.2-14.23.0.2491.jar | None      |
   | UCHI  | forge              | 14.23.0.2491 | forgeSrc-1.12.2-14.23.0.2491.jar | None      |
   | UCHE  | testenvironmentmod | 1.0          | modid-1.0.jar                    | None      |
[16:41:30] [main/FATAL] [FML]: The following problems were captured during this phase
[16:41:30] [main/ERROR] [FML]: Caught exception from testenvironmentmod (java.lang.ArrayIndexOutOfBoundsException: 3)
[16:41:30] [main/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:630
// Shall we play a game?
Time: 12/2/17 4:41 PM
Description: There was a severe problem during mod loading that has caused the game to fail
net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from testenvironmentmod (testenvironmentmod)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 3
   at net.minecraftforge.common.crafting.CraftingHelper.parseShaped(CraftingHelper.java:302)
   at net.minecraftforge.fml.common.registry.GameRegistry.addShapedRecipe(GameRegistry.java:202)
   at mod.mcreator.mcreator_cleanQuantumEnergy.load(mcreator_cleanQuantumEnergy.java:35)
   at mod.mcreator.TestEnvironmentMod.load(TestEnvironmentMod.java:281)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:613)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
   at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
   at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
   at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
   at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
   at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
   at com.google.common.eventbus.EventBus.post(EventBus.java:217)
   at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:253)
   at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:231)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
   at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
AL lib: (EE) alc_cleanup: 1 device not closed
   at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
   at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
   at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
   at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
   at com.google.common.eventbus.EventBus.post(EventBus.java:217)
   at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:148)
   at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:781)
   at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:348)
   at net.minecraft.client.Minecraft.init(Minecraft.java:576)
   at net.minecraft.client.Minecraft.run(Minecraft.java:416)
   at net.minecraft.client.main.Main.main(Main.java:118)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   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(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97)
   at GradleStart.main(GradleStart.java:26)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
   Minecraft Version: 1.12.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_101, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 589688840 bytes (562 MB) / 837812224 bytes (799 MB) up to 1657274368 bytes (1580 MB)
   JVM Flags: 0 total; 
   IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
   FML: MCP 9.42 Powered by Forge 14.23.0.2491 5 mods loaded, 5 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 |
   |:----- |:------------------ |:------------ |:-------------------------------- |:--------- |
   | UCHI  | minecraft          | 1.12.2       | minecraft.jar                    | None      |
   | UCHI  | mcp                | 9.42         | minecraft.jar                    | None      |
   | UCHI  | FML                | 8.0.99.99    | forgeSrc-1.12.2-14.23.0.2491.jar | None      |
   | UCHI  | forge              | 14.23.0.2491 | forgeSrc-1.12.2-14.23.0.2491.jar | None      |
   | UCHE  | testenvironmentmod | 1.0          | modid-1.0.jar                    | None      |
   Loaded coremods (and transformers): 
   GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.5.13399 Compatibility Profile Context 15.201.1101.0' Renderer: 'AMD Radeon R5'
[16:41:30] [main/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:630
:runClient FAILED
FAILURE: Build failed with an exception.
* What went wrong:
BUILD FAILED
Execution failed for task '> Process 'command 'C:\Pylo\MCreator176\jdk64\bin\java.exe'' finished with non-zero exit value -1
:runClient'.
* Try:
Total time: 3 mins 18.797 secs
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
C:\Pylo\MCreator176\forge>