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Hello. I started the beginning of my mod, version 1.12.2 and finish part of it. When I try and run it, my game crashed. I don't know what I did wrong but it may have been a small error in the coding. Can someone please check it out? I also followed the steps from https://www.youtube.com/watch?v=f0zXArplb9Y&list=PLDhiRTZ_vnoX4bx_BJccGV7MjpXUfVJSn&index=2   ---- Minecraft Crash Report ---- // Don't do that. Time: 10/26/20 8:29 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 Beginning Mod (bm) Caused by: net.minecraftforge.fml.common.LoaderException: java.lang.ClassNotFoundException: com.Ericlin2.beginningmod.proxy.ClientProxy     at net.minecraftforge.fml.common.ProxyInjector.inject(ProxyInjector.java:102)     at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:585)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)     at java.lang.reflect.Method.invoke(Unknown Source)     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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)     at com.google.common.eventbus.EventBus.post(EventBus.java:217)     at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:253)     at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:231)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)     at java.lang.reflect.Method.invoke(Unknown Source)     at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)     at com.google.common.eventbus.Subscriber$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:148)     at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:568)     at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:231)     at net.minecraft.client.Minecraft.init(Minecraft.java:513)     at net.minecraft.client.Minecraft.run(Minecraft.java:421)     at net.minecraft.client.main.Main.main(Main.java:118)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)     at java.lang.reflect.Method.invoke(Unknown Source)     at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)     at net.minecraft.launchwrapper.Launch.main(Launch.java:28)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)     at java.lang.reflect.Method.invoke(Unknown Source)     at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97)     at GradleStart.main(GradleStart.java:25) Caused by: java.lang.ClassNotFoundException: com.Ericlin2.beginningmod.proxy.ClientProxy     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)     at java.lang.ClassLoader.loadClass(Unknown Source)     at java.lang.ClassLoader.loadClass(Unknown Source)     at net.minecraftforge.fml.common.ModClassLoader.loadClass(ModClassLoader.java:75)     at java.lang.Class.forName0(Native Method)     at java.lang.Class.forName(Unknown Source)     at net.minecraftforge.fml.common.ProxyInjector.inject(ProxyInjector.java:85)     ... 43 more Caused by: java.lang.NoClassDefFoundError: com/Ericlin2/beginningmod/proxy/ClientProxy (wrong name: com/Ericlin2/Beginningmod/proxy/ClientProxy)     at java.lang.ClassLoader.defineClass1(Native Method)     at java.lang.ClassLoader.defineClass(Unknown Source)     at java.security.SecureClassLoader.defineClass(Unknown Source)     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)     ... 49 more 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_271, Oracle Corporation     Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation     Memory: 810439584 bytes (772 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)     JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M     IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0     FML: MCP 9.42 Powered by Forge 14.23.1.2555 5 mods loaded, 5 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    | forgeSrc-1.12.2-14.23.1.2555.jar | None      |     | UC    | forge     | 14.23.1.2555 | forgeSrc-1.12.2-14.23.1.2555.jar | None      |     | UE    | bm        | 1.0          | bin                              | None      |     Loaded coremods (and transformers):      GL info: ' Vendor: 'Intel' Version: '4.4.0 - Build 21.20.16.4526' Renderer: 'Intel(R) HD Graphics 620'    

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Oh okay thanks  

Remove  .func_235859_g_() This is preventing yuor block getting destroyed.