Here's the Report:

 

---- Minecraft Crash Report ----

WARNING: coremods are present:
  ItemPatchingLoader (ItemPhysic+Lite+1.3.7+mc1.12.2.jar)
Contact their authors BEFORE contacting forge

// Why did you do that?

Time: 10/6/19 7:18 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 Tough As Nails (toughasnails)
Caused by: java.lang.NullPointerException
    at toughasnails.init.ModConfig.lambda$init$0(ModConfig.java:64)
    at toughasnails.init.ModConfig$$Lambda$221/1646134144.apply(Unknown Source)
    at toughasnails.init.ModConfig.populateDataMap(ModConfig.java:92)
    at toughasnails.init.ModConfig.init(ModConfig.java:64)
    at toughasnails.core.ToughAsNails.init(ToughAsNails.java:83)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:624)
    at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
    at com.google.common.eventbus.Subscriber$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:744)
    at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:336)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:534)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
    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: 95492920 bytes (91 MB) / 771751936 bytes (736 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 14.23.5.2768 Optifine OptiFine_1.12.2_HD_U_E3 24 mods loaded, 24 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     | forge-1.12.2-14.23.5.2768.jar               | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | UCHI  | forge              | 14.23.5.2768  | forge-1.12.2-14.23.5.2768.jar               | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | UCHI  | itemphysic         | 1.4.0         | minecraft.jar                               | None                                     |
    | UCHI  | campfire           | 1.2           | campfire-1.12-v1.2.jar                      | None                                     |
    | UCHI  | disenchanter       | 1.6           | disenchanter-[1.12]1.6.jar                  | None                                     |
    | UCHI  | lostcities         | 2.0.21        | lostcities-1.12-2.0.21.jar                  | None                                     |
    | UCHI  | sit                | v1.2.3        | sit-1.12.2-v1.2.3.jar                       | None                                     |
    | UCHI  | somanyenchantments | 0.4.3         | somanyenchantments+V0.4.31.jar              | None                                     |
    | UCHI  | soundfilters       | 0.11_for_1.12 | SoundFilters-0.11_for_1.12.jar              | None                                     |
    | UCHI  | spartanshields     | 1.5.4         | SpartanShields-1.12.2-1.5.4.jar             | None                                     |
    | UCHI  | spartanweaponry    | beta 1.3.1    | SpartanWeaponry-1.12.2-beta-1.3.1.jar       | None                                     |
    | UCHI  | switchbow          | 1.5.7         | switchbow-1.5.7.jar                         | None                                     |
    | UCHI  | toolbelt           | 1.9.10        | ToolBelt-1.12.2-1.9.10.jar                  | None                                     |
    | UCHEE | toughasnails       | 3.1.0.141     | ToughAsNails-1.12.2-3.1.0.141-universal.jar | None                                     |
    | UCH   | traverse           | 1.6.0         | Traverse-1.12.2-1.6.0-69.jar                | None                                     |
    | UCH   | trumpetskeleton    | 1.12-1.0.2.1  | trumpetskeleton-1.12-1.0.2.1.jar            | None                                     |
    | UCH   | tumbleweed         | 1.11-0.4.5    | tumbleweed-1.11-0.4.5.jar                   | None                                     |
    | UCH   | waystones          | 4.0.72        | Waystones_1.12.2-4.0.72.jar                 | None                                     |
    | UCH   | wearablebackpacks  | 3.1.3         | WearableBackpacks-1.12.2-3.1.3.jar          | None                                     |
    | UCH   | wolfarmor          | 2.2.3.6       | wolfarmor-1.12.2-2.2.3.1798-universal.jar   | None                                     |
    | UCH   | xpfromharvest      | 1.1.0         | xpfromharvest-1.12.2-1.1.0.jar              | None                                     |
    | UCH   | xpbook             | v1.1.1        | xptome-1.12.2-v1.1.1.jar                    | None                                     |

    Loaded coremods (and transformers):
ItemPatchingLoader (ItemPhysic+Lite+1.3.7+mc1.12.2.jar)
  com.creativemd.itemphysic.ItemTransformer
    GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 23.20.16.4973' Renderer: 'Intel(R) UHD Graphics 620'

 

I've tried other versions of Tough as Nails but it keeps crashing.

17 minutes ago, BlimBlamBlomp said:

I've tried other versions of Tough as Nails but it keeps crashing. 

Bring this up with the mod author.it's a problem on their end if it isn't working. Or it is a problem with some mod compatibility.

Check your TAN config files. Most likely it's referring to a modded item or block that you're not loading or you have a typo somewhere.

I had the same problem. I went into config and deleted the tough as nail file then it started working