I have been playing a bit on 1.14 but came back to my 1.12 games today and the game keeps crashing on me.  

 

---- Minecraft Crash Report ----

WARNING: coremods are present:
  Do not report to Forge! (If you haven't disabled the FoamFix coremod, try disabling it in the config! Note that this bit of text will still appear.) (foamfix-0.10.3-1.12.2.jar)
  CTMCorePlugin (CTM-MC1.12.2-0.3.3.22.jar)
Contact their authors BEFORE contacting forge

// Uh... Did I do that?

Time: 9/30/19 12:47 PM
Description: Unexpected error

java.lang.IndexOutOfBoundsException: -100
    at java.nio.DirectByteBuffer.get(DirectByteBuffer.java:253)
    at org.lwjgl.input.Keyboard.isKeyDown(Keyboard.java:407)
    at mcp.mobius.waila.overlay.WailaTickHandler.tickClient(WailaTickHandler.java:56)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_100_WailaTickHandler_tickClient_ClientTickEvent.invoke(.dynamic)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
    at net.minecraftforge.fml.common.FMLCommonHandler.onPreClientTick(FMLCommonHandler.java:344)
    at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1708)
    at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1098)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398)
    at net.minecraft.client.main.Main.main(SourceFile:123)
    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:497)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

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_51, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 2240521200 bytes (2136 MB) / 3876061184 bytes (3696 MB) up to 3876061184 bytes (3696 MB)
    JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4096M -Xms4096M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP 9.42 Powered by Forge 14.23.5.2783 32 mods loaded, 32 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                                |
    |:------ |:------------------- |:---------------------- |:------------------------------------------------- |:---------------------------------------- |
    | LCHIJA | minecraft           | 1.12.2                 | minecraft.jar                                     | None                                     |
    | LCHIJA | mcp                 | 9.42                   | minecraft.jar                                     | None                                     |
    | LCHIJA | FML                 | 8.0.99.99              | forge-1.12.2-14.23.5.2783.jar                     | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LCHIJA | forge               | 14.23.5.2783           | forge-1.12.2-14.23.5.2783.jar                     | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LCHIJA | foamfixcore         | 7.7.4                  | minecraft.jar                                     | None                                     |
    | LCHIJA | appliedenergistics2 | rv6-stable-4           | appliedenergistics2-rv6-stable-4.jar              | dfa4d3ac143316c6f32aa1a1beda1e34d42132e5 |
    | LCHIJA | baubles             | 1.5.2                  | Baubles-1.12-1.5.2.jar                            | None                                     |
    | LCHIJA | bibliocraft         | 2.4.5                  | BiblioCraft[v2.4.5][MC1.12.2].jar                 | None                                     |
    | LCHIJA | biomesoplenty       | 7.0.1.2411             | BiomesOPlenty-1.12.2-7.0.1.2411-universal.jar     | None                                     |
    | LCHIJA | guideapi            | 1.12-2.1.6-61          | Guide-API-1.12-2.1.6-61.jar                       | None                                     |
    | LCHIJA | bloodmagic          | 1.12.2-2.3.3-101       | BloodMagic-1.12.2-2.3.3-101.jar                   | None                                     |
    | LCHIJA | ctm                 | MC1.12.2-0.3.3.22      | CTM-MC1.12.2-0.3.3.22.jar                         | None                                     |
    | LCHIJA | chisel              | MC1.12.2-0.2.1.35      | Chisel-MC1.12.2-0.2.1.35.jar                      | None                                     |
    | LCHIJA | codechickenlib      | 3.2.2.353              | CodeChickenLib-1.12.2-3.2.2.353-universal.jar     | f1850c39b2516232a2108a7bd84d1cb5df93b261 |
    | LCHIJA | customnpcs          | 1.12                   | CustomNPCs_1.12.2(26aug18).jar                    | None                                     |
    | LCHIJA | ptrmodellib         | 1.0.3                  | PTRLib-1.0.3.jar                                  | None                                     |
    | LCHIJA | props               | 2.6.2                  | Decocraft-2.6.2_1.12.2.jar                        | None                                     |
    | LCHIJA | enderstorage        | 2.4.5.135              | EnderStorage-1.12.2-2.4.5.135-universal.jar       | f1850c39b2516232a2108a7bd84d1cb5df93b261 |
    | LCHIJA | foamfix             | 0.10.3-1.12.2          | foamfix-0.10.3-1.12.2.jar                         | None                                     |
    | LCHIJA | gravestone          | 1.10.1                 | gravestone-1.10.1.jar                             | None                                     |
    | LCHIJA | waila               | 1.8.26                 | Hwyla-1.8.26-B41_1.12.2.jar                       | None                                     |
    | LCHIJA | jei                 | 4.13.1.225             | jei_1.12.2-4.13.1.225.jar                         | None                                     |
    | LCHIJA | journeymap          | 1.12.2-5.5.3           | journeymap-1.12.2-5.5.3.jar                       | None                                     |
    | LCHIJA | mekanism            | 1.12.2-9.4.13.349      | Mekanism-1.12.2-9.4.13.349.jar                    | None                                     |
    | LCHIJA | mekanismgenerators  | 9.4.11                 | MekanismGenerators-1.12.2-9.4.13.349.jar          | None                                     |
    | LCHIJA | minecolonies        | 1.12.2-0.10.27-RELEASE | minecolonies-1.12.2-0.10.27-RELEASE-universal.jar | None                                     |
    | LCHIJA | harvestcraft        | 1.12.2z                | Pam's+HarvestCraft+1.12.2za.jar                   | None                                     |
    | LCHIJA | reborncore          | 3.10.5.350             | RebornCore-1.12.2-3.10.5.350-universal.jar        | 8727a3141c8ec7f173b87aa78b9b9807867c4e6b |
    | LCHIJA | stevescarts         | 2.4.26.125             | StevesCarts-1.12.2-2.4.26.125.jar                 | None                                     |
    | LCHIJA | thaumcraft          | 6.1.BETA26             | Thaumcraft-1.12.2-6.1.BETA26.jar                  | None                                     |
    | LCHIJA | treechopper         | 1.2.4                  | TreeChopper-1.12.2-1.2.4.jar                      | None                                     |
    | LCHIJA | worldedit           | 6.1.8                  | worldedit-forge-mc1.12-6.1.8-dist.jar             | None                                     |

    Loaded coremods (and transformers): 
Do not report to Forge! (If you haven't disabled the FoamFix coremod, try disabling it in the config! Note that this bit of text will still appear.) (foamfix-0.10.3-1.12.2.jar)
  pl.asie.foamfix.coremod.FoamFixTransformer
CTMCorePlugin (CTM-MC1.12.2-0.3.3.22.jar)
  team.chisel.ctm.client.asm.CTMTransformer
    GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 25.20.100.6446' Renderer: 'Intel(R) HD Graphics 530'
    AE2 Version: stable rv6-stable-4 for Forge 14.23.5.2768
    RebornCore: 
        Plugin Engine: 0
        RebornCore Version: 3.10.5.350
        Runtime Debofucsation 1
        RenderEngine: 0
    AE2 Integration: IC2:OFF, RC:OFF, MFR:OFF, Waila:ON, InvTweaks:OFF, JEI:ON, Mekanism:ON, OpenComputers:OFF, THE_ONE_PROBE:OFF, TESLA:OFF, CRAFTTWEAKER:OFF
    Launched Version: 1.12.2-forge1.12.2-14.23.5.2783
    LWJGL: 2.9.4
    OpenGL: Intel(R) HD Graphics 530 GL version 4.5.0 - Build 25.20.100.6446, 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: vanilla
    Current Language: English (US)
    Profiler Position: N/A (disabled)
    CPU: 4x Intel(R) Core(TM) i5-6400 CPU @ 2.70GHz

1 hour ago, diesieben07 said:

Waila is configured to use an invalid key code. Either fix the configuration or delete it.

Thanks.  I deleted the config file and reloaded and it is working now.