So I downloaded this pack and this keeps happening, just to let you know I have optifine and SUES shaders. This is the error message ---- Minecraft Crash Report ----

WARNING: coremods are present:
RBLoadingPlugin (RealBench-1.12.2-1.3.3 (1).jar)
OpenModsCorePlugin (OpenModsLib-1.12.2-0.11.5 (1).jar)
BedPatch (bedpatch-2.2-1.12.2 (1).jar)
SecretRoomsMod-Core (secretroomsmod-1.12.2-5.6.4 (1).jar)
BCModPlugin (backpacks 1.12.2 - 3.5.2 (1).jar)
FarseekCoreMod (Farseek-1.12-2.3.1 (1).jar)
BetterFoliageLoader (BetterFoliage-MC1.12-2.1.10 (1).jar)
FMLPlugin (elulib-0.1.12 (1).jar)
LoadingPlugin (BetterWithLib-1.3 (1).jar)
Do not report to Forge! Remove FoamFixAPI (or replace with FoamFixAPI-Lawful) and try again. (foamfix-0.10.1-1.12.2 (1).jar)
BlurPlugin (Blur-1.0.4-14 (1).jar)
LoadingPlugin (Quark-r1.5-129 (1).jar)
ColytraLoadingPlugin (colytra-1.12.2-1.1.0 (1).jar)
LoadingPlugin (ResourceLoader-MC1.12.1-1.5.3 (1).jar)
CTMCorePlugin (CTM-MC1.12.2-0.3.2.18 (1).jar)
IvToolkit (IvToolkit-1.3.3-1.12 (1).jar)
DynamicSurroundingsCore (DynamicSurroundings-1.12.2-3.4.9.16 (1).jar)
Inventory Tweaks Coremod (InventoryTweaks-1.63 (1).jar)
LoadingPlugin (HardcoreBuoy-1.12-1.0.4 (1).jar)
Contact their authors BEFORE contacting forge

// Would you like a cupcake?

Time: 3/28/19 7:12 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 CTM (ctm)
Caused by: java.lang.VerifyError: Inconsistent stackmap frames at branch target 116
Exception Details:
Location:
net/minecraftforge/client/model/ModelLoader$VanillaModelWrapper.getTextures()Ljava/util/Collection; @116: invokestatic
Reason:
Type 'net/minecraftforge/client/model/IModel' (current frame, locals[1]) is not assignable to 'net/minecraft/util/ResourceLocation' (stack map, locals[1])
Current Frame:
bci: @14
flags: { }
locals: { 'net/minecraftforge/client/model/ModelLoader$VanillaModelWrapper', 'net/minecraftforge/client/model/IModel' }
stack: { 'net/minecraftforge/client/model/IModel' }
Stackmap Frame:
bci: @116
flags: { }
locals: { 'net/minecraftforge/client/model/ModelLoader$VanillaModelWrapper', 'net/minecraft/util/ResourceLocation' }
stack: { }
Bytecode:
0x0000000: 2ab4 0044 b600 9b4c 2bb8 00b5 4c2b c600
0x0000010: 662a b400 44b4 00b8 c700 5c2b b600 9e12
0x0000020: bab6 00bb 9900 102a b400 44b8 00bf b500
0x0000030: b8a7 0043 2ab4 0044 2bbb 0080 59b7 0081
0x0000040: 12c1 b600 872b b600 8a12 c3b6 0087 2ab4
0x0000050: 0044 b600 8a12 c5b6 0087 b600 8db8 0093
0x0000060: b900 c901 002a ba00 db00 00b6 00e1 c000
0x0000070: 54b5 00b8 b800 e54d 2ab4 003d 2ab4 0044
0x0000080: b800 e999 004a b200 efb9 00f2 0100 4e2d
0x0000090: b900 6501 0099 0038 2db9 0069 0100 c000
0x00000a0: a23a 042a b400 4419 04b6 00f6 3a05 bb00
0x00000b0: 6b59 1905 b700 f93a 0619 0519 04b6 00bb
0x00000c0: 9a00 0a2c 1906 b600 fc57 a7ff c52a b400
0x00000d0: 44b4 0100 b901 0301 00b9 005d 0100 4e2d
0x00000e0: b900 6501 0099 002a 2db9 0069 0100 c000
0x00000f0: a23a 0419 0413 0105 b600 a69a 0011 2cbb
0x0000100: 006b 5919 04b7 00f9 b600 fc57 a7ff d32c
0x0000110: b601 09b0
Stackmap Table:
append_frame(@52,Object[#107])
same_frame(@116)
append_frame(@143,Object[#14],Object[#97])
same_frame(@202)
chop_frame(@205,1)
append_frame(@223,Object[#97])
same_frame(@268)
chop_frame(@271,1)

at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at team.chisel.ctm.client.util.TextureMetadataHandler.<clinit>(TextureMetadataHandler.java:102)
at team.chisel.ctm.CTM.preInit(CTM.java:43)
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.GeneratedMethodAccessor10.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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$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:136)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:627)
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:252)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)
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: 262689248 bytes (250 MB) / 805306368 bytes (768 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 14.23.5.2814 Optifine OptiFine_1.12.2_HD_U_E3 145 mods loaded, 145 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' =
If anyone can fix it I would be very happy!

Don't worry guys, I was able to fix it!

How did you fix it? @GuacamoleJones

I am curious too!

Found it! Chisel-Team/Chisel#751

Update Chisel/CTM