Code Chicken Library is Crashing my Game, Help!

[Spleckk]

Spoiler

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// I'm sorry, Dave.

Time: 1/20/19 1:37 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 Not Enough Items (nei)
Caused by: java.lang.IllegalAccessError: tried to access class net.minecraft.potion.PotionHelper$MixPredicate from class codechicken.nei.util.helper.potion.PotionRecipeHelper
    at codechicken.nei.util.helper.potion.PotionRecipeHelper.init(PotionRecipeHelper.java:61)
    at codechicken.nei.init.NEIInitialization.bootNEI(NEIInitialization.java:67)
    at codechicken.nei.proxy.ProxyClient.loadComplete(ProxyClient.java:54)
    at codechicken.nei.NotEnoughItems.loadComplete(NotEnoughItems.java:62)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:624)
    at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
    at com.google.common.eventbus.Subscriber$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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
    at com.google.common.eventbus.EventBus.post(EventBus.java:217)
    at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218)
    at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
    at com.google.common.eventbus.Subscriber$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.distributeStateMessage(LoadController.java:135)
    at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:752)
    at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:336)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:535)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
    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: 390849160 bytes (372 MB) / 1308622848 bytes (1248 MB) up to 2147483648 bytes (2048 MB)
    JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP 9.42 Powered by Forge 14.23.5.2779 Optifine OptiFine_1.12.2_HD_U_E3 17 mods loaded, 17 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                                |
    |:------- |:------------------- |:------------- |:--------------------------------------------- |:---------------------------------------- |
    | UCHIJA  | minecraft           | 1.12.2        | minecraft.jar                                 | None                                     |
    | UCHIJA  | mcp                 | 9.42          | minecraft.jar                                 | None                                     |
    | UCHIJA  | FML                 | 8.0.99.99     | forge-1.12.2-14.23.5.2779.jar                 | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | UCHIJA  | forge               | 14.23.5.2779  | forge-1.12.2-14.23.5.2779.jar                 | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | UCHIJA  | buildcraftlib       | 7.99.17       | buildcraft-7.99.17.jar                        | None                                     |
    | UCHIJA  | buildcraftcore      | 7.99.17       | buildcraft-7.99.17.jar                        | None                                     |
    | UCHIJA  | buildcraftbuilders  | 7.99.17       | buildcraft-7.99.17.jar                        | None                                     |
    | UCHIJA  | buildcraftenergy    | 7.99.17       | buildcraft-7.99.17.jar                        | None                                     |
    | UCHIJA  | buildcraftfactory   | 7.99.17       | buildcraft-7.99.17.jar                        | None                                     |
    | UCHIJA  | buildcraftrobotics  | 7.99.17       | buildcraft-7.99.17.jar                        | None                                     |
    | UCHIJA  | buildcrafttransport | 7.99.17       | buildcraft-7.99.17.jar                        | None                                     |
    | UCHIJA  | buildcraftsilicon   | 7.99.17       | buildcraft-7.99.17.jar                        | None                                     |
    | UCHIJA  | codechickenlib      | 3.1.5.331     | CodeChickenLib-1.12.2-3.1.5.331-universal.jar | f1850c39b2516232a2108a7bd84d1cb5df93b261 |
    | UCHIJA  | jei                 | 4.8.5.159     | jei_1.12.2-4.8.5.159.jar                      | None                                     |
    | UCHIJEE | nei                 | 2.4.1         | NotEnoughItems-1.12.2-2.4.1.233-universal.jar | f1850c39b2516232a2108a7bd84d1cb5df93b261 |
    | UCHIJ   | railcraft           | 12.0.0-beta-4 | railcraft-12.0.0-beta-4.jar                   | a0c255ac501b2749537d5824bb0f0588bf0320fa |
    | UCHIJ   | xaerominimap        | 1.15.8        | Xaeros-Minimap-Mod-1.12.jar                   | None                                     |

    Loaded coremods (and transformers): 
    GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 391.35' Renderer: 'GeForce GTX 750/PCIe/SSE2'
    OptiFine Version: OptiFine_1.12.2_HD_U_E3
    OptiFine Build: 20181210-121000
    Render Distance Chunks: 8
    Mipmaps: 4
    Anisotropic Filtering: 1
    Antialiasing: 0
    Multitexture: false
    Shaders: (internal)
    OpenGlVersion: 4.6.0 NVIDIA 391.35
    OpenGlRenderer: GeForce GTX 750/PCIe/SSE2
    OpenGlVendor: NVIDIA Corporation
    CpuCount: 4

1

I've posted the crash report in the spoiler above. I've tried various other methods from other threads but nothing has seemed to work. Any help would be greatly appreciated. Thanks!