I added the 1.12.2 mods and thats what made it stop working, just crashes when i run it.
Here's the crash report.
WARNING: coremods are present:
weaponlib (mw_2.0-0.4.4.6_mc1.12.2.jar)
Contact their authors BEFORE contacting forge
Time: 5/13/22 6:14 PM
Description: Exception in server tick loop
java.lang.NoClassDefFoundError: com/mia/craftstudio/IPackReaderCallback
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:534)
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:498)
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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:215)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:193)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$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:132)
at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:610)
at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:101)
at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:331)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:167)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:590)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: com.mia.craftstudio.IPackReaderCallback
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 34 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 36 more
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Mohist version: 1.12.2-321
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_252, AdoptOpenJDK
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), AdoptOpenJDK
Memory: 545745312 bytes (520 MB) / 825753600 bytes (787 MB) up to 8589934592 bytes (8192 MB)
JVM Flags: 1 total; -Xmx9G
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
CraftBukkit Information:
Running:
Failed to handle CraftCrashReport: craftbukkit not runs
FML: MCP 9.42 Powered by Forge 14.23.5.2860 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 |
|:----- |:------------- |:----------------- |:------------------------------------------------ |:--------- |
| LC | minecraft | 1.12.2 | minecraft.jar | None |
| LC | mcp | 9.42 | minecraft.jar | None |
| LC | mohist | 1.12.2-321 | mohist.jar | None |
| LC | FML | 8.0.99.99 | mohist.jar | None |
| LC | forge | 14.23.5.2860 | mohist.jar | None |
| LC | atomicscience | 1.12.2-3.0.6.19 | Atomic-Science-1.12.2-3.0.6b19.jar | None |
| L | props | 2.6.3.7 | Decocraft-2.6.3.7_1.12.2.jar | None |
| L | hbm | hbm-1.6.5A-1.12.2 | hbm-1.6.5a-G.jar | None |
| L | mts | 21.2.0 | Immersive+Vehicles-1.12.2-21.2.0.jar | None |
| L | jei | 4.16.1.301 | jei_1.12.2-4.16.1.301.jar | None |
| L | mw | 0.4.4.6 | mw_2.0-0.4.4.6_mc1.12.2.jar | None |
| L | unuparts | 5.1.2 | UNU+Parts+Pack+[MTS]+1.12.2-21.1.0-5.1.2.jar | None |
| L | unucivil | 5.3.0 | UNU+Civilian+Pack+[MTS]+1.12.2-21.1.0-5.3.0.jar | None |
| L | unumilitary | 4.0.2 | UNU+Military+Pack+[MTS]+1.12.2-19.15.5-4.0.2.jar | None |
Loaded coremods (and transformers):
weaponlib (mw_2.0-0.4.4.6_mc1.12.2.jar)
com.vicmatskiv.weaponlib.core.WeaponlibClassTransformer
Profiler Position: N/A (disabled)
Is Modded: Definitely; Server brand changed to 'Mohist'
Type: Dedicated Server (map_server.txt)