This is the crash log. Can anyone help me fix this?

---- Minecraft Crash Report ----
// Shall we play a game?

Time: 10/25/20 3:45 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 OreSpawn (orespawn)
Caused by: java.lang.IllegalStateException: This is not a JSON Array.
at com.google.gson.JsonElement.getAsJsonArray(JsonElement.java:106)
at com.mcmoddev.orespawn.data.Config.loadExtractedConfigs(Config.java:86)
at com.mcmoddev.orespawn.data.Config.loadConfig(Config.java:62)
at com.mcmoddev.orespawn.OreSpawn.preInit(OreSpawn.java:71)
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:637)
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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$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:629)
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: 5417579368 bytes (5166 MB) / 6442450944 bytes (6144 MB) up to 6442450944 bytes (6144 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms6G -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 14.23.5.2854 14 mods loaded, 14 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                                |
|:----- |:------------------ |:------------------------ |:----------------------------------- |:---------------------------------------- |
| LCH   | minecraft          | 1.12.2                   | minecraft.jar                       | None                                     |
| LCH   | mcp                | 9.42                     | minecraft.jar                       | None                                     |
| LCH   | FML                | 8.0.99.99                | forge-1.12.2-14.23.5.2854.jar       | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCH   | forge              | 14.23.5.2854             | forge-1.12.2-14.23.5.2854.jar       | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCH   | mantle             | 1.12-1.3.3.55            | Mantle-1.12-1.3.3.55.jar            | None                                     |
| LCH   | tconstruct         | 1.12.2-2.13.0.183        | TConstruct-1.12.2-2.13.0.183.jar    | None                                     |
| LCH   | conarm             | 1.2.5.9                  | conarm-1.12.2-1.2.5.9.jar           | 2484ef4d131fdc0dca0647aa21b7b944ddb935a1 |
| LCH   | mmdlib             | 1.0.0-rc2                | MMDLib-1.12-1.0.0-rc2.36.jar        | None                                     |
| LCH   | basemetals         | 2.5.0-rc2                | BaseMetals-1.12-2.5.0-rc2.332.jar   | d476d1b22b218a10d845928d1665d45fce301b27 |
| LCH   | modernmetals       | 2.5.0-rc2                | ModernMetals-1.12-2.5.0-rc2.152.jar | d476d1b22b218a10d845928d1665d45fce301b27 |
| LCE   | orespawn           | 3.3.1                    | OreSpawn-1.12-3.3.1.179.jar         | d476d1b22b218a10d845928d1665d45fce301b27 |
| LC    | taiga              | 1.12.2-1.3.3             | taiga-1.12.2-1.3.4.jar              | None                                     |
| LC    | tcomplement        | 1.12.2-0.4.3             | TinkersComplement-1.12.2-0.4.3.jar  | None                                     |
| LC    | tinkertoolleveling | 1.12.2-1.1.0.DEV.b23e769 | TinkerToolLeveling-1.12.2-1.1.0.jar | None                                     |

Loaded coremods (and transformers): 
GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.5.13399 Compatibility Profile Context 15.201.1151.1008' Renderer: 'AMD Radeon HD 5450'
Pulsar/tconstruct loaded Pulses: 
	- TinkerCommons (Enabled/Forced)
	- TinkerWorld (Enabled/Not Forced)
	- TinkerTools (Enabled/Not Forced)
	- TinkerHarvestTools (Enabled/Forced)
	- TinkerMeleeWeapons (Enabled/Forced)
	- TinkerRangedWeapons (Enabled/Forced)
	- TinkerModifiers (Enabled/Forced)
	- TinkerSmeltery (Enabled/Not Forced)
	- TinkerGadgets (Enabled/Not Forced)
	- TinkerOredict (Enabled/Forced)
	- TinkerIntegration (Enabled/Forced)
	- TinkerFluids (Enabled/Forced)
	- TinkerMaterials (Enabled/Forced)
	- TinkerModelRegister (Enabled/Forced)

Pulsar/tcomplement loaded Pulses: 
	- ModuleCommons (Enabled/Forced)
	- ModuleMelter (Enabled/Not Forced)
	- ModuleArmor (Enabled/Not Forced)
	- ModuleSteelworks (Enabled/Not Forced)
	- ToolLevelingPlugin (Enabled/Not Forced)
	- Oredict (Enabled/Forced)

This looks to be an error that occurs when upgrading from older versions of the MMD OreSpawn 3.x versions (3.0/3.1/3.2) to the more recent 3.3 series. See the projects curseforge page for information about how to fix this.

Issue addressed a long time ago, closing.