Please HELP Forge won't work with MC 1.12

[Elgrandelon]

C:\Users\Who else\Desktop\New folder\Server>java -Xmx2g -Xms2g -jar forge-1.12-14.21.1.2387-universal.jar nogui
[10:23:04] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLServerTweaker
[10:23:04] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLServerTweaker
[10:23:04] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLServerTweaker
[10:23:04] [main/INFO] [FML]: Forge Mod Loader version 14.21.1.2387 for Minecraft 1.12 loading
[10:23:04] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_131, running on Windows 10:amd64:10.0, installed at C:\Program Files\Java\jre1.8.0_131
[10:23:04] [main/INFO] [FML]: Loading tweaker org.spongepowered.asm.launch.MixinTweaker from spongeforge-1.12-2368-7.0.0-BETA-2425.jar
[10:23:04] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:23:04] [main/INFO] [LaunchWrapper]: Loading tweak class name org.spongepowered.asm.launch.MixinTweaker
[10:23:04] [main/INFO] [mixin]: SpongePowered MIXIN Subsystem Version=0.6.10 Source=file:/C:/Users/Who%20else/Desktop/New%20folder/Server/mods/spongeforge-1.12-2368-7.0.0-BETA-2425.jar Env=SERVER
[10:23:04] [main/INFO] [mixin]: Compatibility level set to JAVA_8
[10:23:04] [main/INFO] [mixin]: Adding new token provider org.spongepowered.mod.SpongeCoremod$TokenProvider to MixinEnvironment[DEFAULT]
[10:23:05] [main/INFO] [mixin]: Adding new token provider org.spongepowered.mod.SpongeCoremod$TokenProvider to MixinEnvironment[PREINIT]
[10:23:05] [main/INFO] [mixin]: Adding new token provider org.spongepowered.mod.SpongeCoremod$TokenProvider to MixinEnvironment[INIT]
[10:23:05] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[10:23:05] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:23:05] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:23:05] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:23:06] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
[10:23:06] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:23:06] [main/INFO] [LaunchWrapper]: Calling tweak class org.spongepowered.asm.launch.MixinTweaker
[10:23:06] [main/INFO] [mixin]: Initialised Mixin FML Remapper Adapter with net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper@a8a8b75
[10:23:06] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[10:23:07] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker
[10:23:07] [main/INFO] [LaunchWrapper]: Loading tweak class name org.spongepowered.asm.mixin.MixinEnvironment$EnvironmentStateTweaker
[10:23:07] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker
[10:23:07] [main/INFO] [LaunchWrapper]: Calling tweak class org.spongepowered.asm.mixin.MixinEnvironment$EnvironmentStateTweaker
[10:23:11] [main/WARN] [mixin]: Error loading class: net/minecraftforge/fml/common/registry/PersistentRegistryManager$BlockDummyAir
[10:23:11] [main/WARN] [mixin]: @Mixin target net.minecraftforge.fml.common.registry.PersistentRegistryManager$BlockDummyAir was not found mixins.forge.core.json:fml.common.registry.MixinBlockDummyAir
[10:23:14] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.server.MinecraftServer}
[10:23:31] [main/INFO]: [STDERR]: org.spongepowered.asm.mixin.injection.throwables.InjectionError: Critical injection failure: Redirector redirect$onEntityCollideWithPlayer$zob000(Lnet/minecraft/entity/item/EntityItem;Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/item/ItemStack;)I in mixins.forge.core.json:entity.item.MixinEntityItem failed injection check, (0/1) succeeded
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.postInject(InjectionInfo.java:254)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.MixinTargetContext.applyInjections(MixinTargetContext.java:1099)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyInjections(MixinApplicatorStandard.java:889)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:298)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:257)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:281)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.MixinTransformer.apply(MixinTransformer.java:816)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.MixinTransformer.applyMixins(MixinTransformer.java:786)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.MixinTransformer.transform(MixinTransformer.java:591)
[10:23:31] [main/INFO]: [STDERR]:       at org.spongepowered.asm.mixin.transformer.MixinTransformer$Proxy.transform(MixinTransformer.java:183)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
[10:23:31] [main/INFO]: [STDERR]:       at java.lang.ClassLoader.loadClass(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at java.lang.ClassLoader.loadClass(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:497)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraft.server.MinecraftServer.main(MinecraftServer.java:1454)
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at java.lang.reflect.Method.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at java.lang.reflect.Method.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:62)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:31)
[10:23:31] [main/ERROR] [LaunchWrapper]: Unable to launch
java.lang.reflect.InvocationTargetException: null
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_131]
        at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
        at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_131]
        at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:62) [forge-1.12-14.21.1.2387-universal.jar:?]
        at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:31) [forge-1.12-14.21.1.2387-universal.jar:?]
Caused by: java.lang.NoClassDefFoundError: net/minecraft/entity/item/EntityItem
        at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:497) ~[ng.class:?]
        at net.minecraft.server.MinecraftServer.main(MinecraftServer.java:1454) ~[MinecraftServer.class:?]
        ... 12 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.entity.item.EntityItem
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_131]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_131]
        at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:497) ~[ng.class:?]
        at net.minecraft.server.MinecraftServer.main(MinecraftServer.java:1454) ~[MinecraftServer.class:?]
        ... 12 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transform(MixinTransformer.java:603) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer$Proxy.transform(MixinTransformer.java:183) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_131]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_131]
        at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:497) ~[ng.class:?]
        at net.minecraft.server.MinecraftServer.main(MinecraftServer.java:1454) ~[MinecraftServer.class:?]
        ... 12 more
Caused by: org.spongepowered.asm.mixin.injection.throwables.InjectionError: Critical injection failure: Redirector redirect$onEntityCollideWithPlayer$zob000(Lnet/minecraft/entity/item/EntityItem;Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/item/ItemStack;)I in mixins.forge.core.json:entity.item.MixinEntityItem failed injection check, (0/1) succeeded
        at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.postInject(InjectionInfo.java:254) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.applyInjections(MixinTargetContext.java:1099) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyInjections(MixinApplicatorStandard.java:889) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:298) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:257) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:281) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.apply(MixinTransformer.java:816) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.applyMixins(MixinTransformer.java:786) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transform(MixinTransformer.java:591) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer$Proxy.transform(MixinTransformer.java:183) ~[spongeforge-1.12-2368-7.0.0-BETA-2425.jar:1.12-2368-7.0.0-BETA-2425]
        at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_131]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_131]
        at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:497) ~[ng.class:?]
        at net.minecraft.server.MinecraftServer.main(MinecraftServer.java:1454) ~[MinecraftServer.class:?]
        ... 12 more
[10:23:31] [main/INFO]: [STDERR]: java.lang.reflect.InvocationTargetException
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at java.lang.reflect.Method.invoke(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:62)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:31)
[10:23:31] [main/INFO]: [STDERR]: Caused by: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
[10:23:31] [main/INFO]: [STDERR]:       at java.lang.SecurityManager.checkExit(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at java.lang.Runtime.exit(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at java.lang.System.exit(Unknown Source)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
[10:23:31] [main/INFO]: [STDERR]:       at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[10:23:31] [main/INFO]: [STDERR]:       ... 6 more

C:\Users\Who else\Desktop\New folder\Server>pause
Press any key to continue . . .

[Elgrandelon]

Ok so I removed sponge and now it works so I guess ill go to there support page for the rest unless anyone here can help with that ty

[Rodo999]

Hola, Buenas tardes.

Yo  tuve el mismo problema y lo resolví así:

Primero revisa que el archivo sponge termine con .jar y Segundo que el java no sea mayor que java8 ya que si usas java9 o mayor, te mandara un error. 

Así resolví mi problema y era exactamente igual