---- Minecraft Crash Report ----
// You're mean.

Time: 9/9/20 5:34 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraftforge/fml/common/network/simpleimpl/IMessage
at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:559)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:243)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878)
at net.minecraft.client.main.Main.main(SourceFile:148)
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)
Caused by: java.lang.NoClassDefFoundError: net/minecraftforge/fml/common/network/simpleimpl/IMessage
at thut.api.ThutCore.preInit(ThutCore.java:81)
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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)
at sun.reflect.GeneratedMethodAccessor6.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.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
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.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:556)
... 10 more
Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.network.simpleimpl.IMessage
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 37 more
Caused by: java.lang.NullPointerException

A detailed walkthrough of the error, its code path and all known details is as follows:

-- System Details --
Details:
Minecraft Version: 1.7.10
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: 415826144 bytes (396 MB) / 872415232 bytes (832 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
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 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
UCH mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCH FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCH Forge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCH Micdoodlecore{} [Micdoodle8 Core] (minecraft.jar)
UCH voltzenginepreloader{0.0.1} [Voltz Engine Preloader] (minecraft.jar)
UCH {000} [CoFH ASM] (minecraft.jar)
UCH mod_ThreadedLighting{1.7.10-1.0} [Threaded Lighting] (minecraft.jar)
UCH WarpDriveCore{1.7.10-1.4.2.-} [WarpDriveCore] (minecraft.jar)
UCH gilded-games-util{1.7.10-1.2} [Gilded Games Utility] (gilded-games-util-1.7.10-1.9.jar)
UCH GalacticraftCore{3.0.12} [Galacticraft Core] (GalacticraftCore-1.7-3.0.12.504.jar)
UCH GalacticraftMars{3.0.12} [Galacticraft Planets] (Galacticraft-Planets-1.7-3.0.12.504.jar)
UCH GalacticraftAmunRa{0.4.8} [Pra's Galacticraft Mod] (AmunRa-GC-0.4.8.jar)
UCH CoFHCore{1.7.10R3.1.4} [CoFH Core] (CoFHCore-[1.7.10]3.1.4-329.jar)
UCH ComputerCraft{1.75} [ComputerCraft] (ComputerCraft1.75.jar)
UCH hbm{1.0.27 BETA (3605)} [Hbm's Nuclear Tech] (hbm_1.0.27_X3605.jar)
UCH voltzengine{1.11.0.491} [Voltz Engine] (VoltzEngine-1.7.10-1.11.0b491.jar)
UCH icbm{2.15.5.515} [ICBM] (ICBM-1.7.10-2.15.5b515.jar)
UCH icbmclassic{2.16.4.3} [ICBM-Classic] (ICBM-classic-1.7.10-2.16.4b3.jar)
UCH malisiscore{1.7.10-0.14.3} [MalisisCore] (malisiscore-1.7.10-0.14.3.jar)
UCH malisisdoors{1.7.10-1.13.2} [Malisis' Doors] (malisisdoors-1.7.10-1.13.2.jar)
UCH ForgeMultipart{1.1.2.331} [Forge Multipart] (ForgeMultipart-1.7.10-1.1.2.331-universal.jar)
UCH Mekanism{9.1.1} [Mekanism] (Mekanism-1.7.10-9.1.1.1031.jar)
UCH Mystcraft{0.12.3.04} [Mystcraft] (mystcraft-1.7.10-0.12.3.04.jar)
UCH rivalrebels{1.7.10Z1} [Rival Rebels] (rivalrebels-1.7.10Z1.jar)
UCE thutcore{2.0} [ThutCore] (ThutMods-2.1.jar)
UCH ThutConcrete{2.0.0} [Thut's Concrete] (ThutMods-2.1.jar)
UCH ThutTech{2.0.0} [Thut's Tech] (ThutMods-2.1.jar)
UCH voltzenginemodcompat{1.11.0.491} [Voltz Engine Mod Compatibility Loader] (VoltzEngine-1.7.10-1.11.0b491.jar)
UCH voltzenginemodflag{1.11.0.491} [VoltzEngine mod protection, flag, and region system] (VoltzEngine-1.7.10-1.11.0b491.jar)
UCH WarpDrive{1.7.10-1.4.2.-} [WarpDrive] (WarpDrive-1.7.10-1.4.2.-.jar)
UCH McMultipart{1.1.2.331} [Minecraft Multipart Plugin] (ForgeMultipart-1.7.10-1.1.2.331-universal.jar)
UCH ForgeMicroblock{1.1.2.331} [Forge Microblocks] (ForgeMultipart-1.7.10-1.1.2.331-universal.jar)
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 432.00' Renderer: 'GeForce GTX 1060 6GB/PCIe/SSE2'
CoFHCore: -[1.7.10]3.1.4-329

It's most likely ThutCore since it's the only mod being referenced in the stacktrace and in the mod list it's flagged with 'E' as in 'Errored'.

You have 32 mods installed, what made you suspect it's NTM's fault, anyway?