Levi_queen

so I down loaded mods now my game isn't working, heres the crash report, what is wrong with it? ---- Minecraft Crash Report ---- WARNING: coremods are present: Contact their authors BEFORE contacting forge // Why did you do that? Time: 7/4/18 1:11 AM Description: Initializing game 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:528) 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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$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.loadMods(Loader.java:593) at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:225) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:466) 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) 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:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 39 more Caused by: java.lang.NullPointerException A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Client thread Stacktrace: at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:528) 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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$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.loadMods(Loader.java:593) at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:225) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:466) -- Initialization -- Details: Stacktrace: 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) -- 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: 173621000 bytes (165 MB) / 469762048 bytes (448 MB) up to 1073741824 bytes (1024 MB) JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.42 Powered by Forge 14.23.4.2705 Optifine OptiFine_1.12.2_HD_U_E1 9 mods loaded, 9 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 | |:----- |:------------- |:------------ |:-------------------------------------------------- |:---------------------------------------- | | UC | minecraft | 1.12.2 | minecraft.jar | None | | UC | mcp | 9.42 | minecraft.jar | None | | UC | FML | 8.0.99.99 | forge-1.12.2-14.23.4.2705.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | UC | forge | 14.23.4.2705 | forge-1.12.2-14.23.4.2705.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | UC | biomesoplenty | 7.0.1.2298 | BiomesOPlenty-1.12.2-7.0.1.2298-universal.jar | None | | U | props | 2.6.0 | Decocraft-2.6.0_1.12.2.jar | None | | U | forestry | 5.7.0.236 | forestry_1.12.2-5.7.0.236.jar | None | | U | cfm | 4.1.5 | furniture-4.1.5-1.12.jar | None | | U | harvestcraft | 1.12.2b | Pam's+HarvestCraft+1.12.2b+-+Re-Balance+Update.jar | None | Loaded coremods (and transformers): GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 390.77' Renderer: 'GeForce GTX 1050 Ti/PCIe/SSE2' Launched Version: 1.12.2-forge1.12.2-14.23.4.2705 LWJGL: 2.9.4 OpenGL: GeForce GTX 1050 Ti/PCIe/SSE2 GL version 4.6.0 NVIDIA 390.77, NVIDIA Corporation GL Caps: Using GL 1.3 multitexturing. Using GL 1.3 texture combiners. Using framebuffer objects because OpenGL 3.0