Oh hello there! I have run into a problem, and I have no Idea why it happened. I imported the item texture, and when I load the game, it crashes and the Crash Report says this:

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cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: com.coolcollin007.Demoncraft.CombinedClientProxy

at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:76)

at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:512)

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.EventSubscriber.handleEvent(EventSubscriber.java:74)

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)

at com.google.common.eventbus.EventBus.post(EventBus.java:275)

at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)

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.EventSubscriber.handleEvent(EventSubscriber.java:74)

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)

at com.google.common.eventbus.EventBus.post(EventBus.java:275)

at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)

at cpw.mods.fml.common.Loader.loadMods(Loader.java:513)

at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:208)

at net.minecraft.client.Minecraft.startGame(Minecraft.java:522)

at net.minecraft.client.Minecraft.run(Minecraft.java:942)

at net.minecraft.client.main.Main.main(Main.java:164)

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 net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)

at GradleStart.main(Unknown Source)

Caused by: java.lang.ClassNotFoundException: com.coolcollin007.Demoncraft.CombinedClientProxy

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at cpw.mods.fml.common.ModClassLoader.loadClass(ModClassLoader.java:58)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Unknown Source)

at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:59)

... 35 more

Caused by: java.lang.NullPointerException

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

... 41 more

 

 

A detailed walkthrough of the error, its code path and all known details is as follows:

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-- System Details --

Details:

Minecraft Version: 1.7.10

Operating System: Windows 10 (amd64) version 10.0

Java Version: 1.8.0_111, Oracle Corporation

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 221783472 bytes (211 MB) / 395837440 bytes (377 MB) up to 1301282816 bytes (1241 MB)

JVM Flags: 0 total;

AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 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

UC mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)

UC FML{7.10.99.99} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.4.1614-1.7.10.jar)

UC Forge{10.13.4.1614} [Minecraft Forge] (forgeSrc-1.7.10-10.13.4.1614-1.7.10.jar)

UE Demon{1.0.0} [DemonCraft] (bin)

UC examplemod{1.0} [Example Mod] (bin)

GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.5.13399 Compatibility Profile Context 15.201.1151.1008' Renderer: 'AMD Radeon HD 7640G'

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Any help is appreciated! 

1.7.10 is no longer supported by Forge.