hmmmmmmmmmmmmmmm

latest.log

[22:33:58.397] [main/INFO] [Launcher/MODLAUNCHER]: ModLauncher running: args [nogui, --launchTarget, sponge_server_dev] 
[22:33:58.408] [main/INFO] [Launcher/MODLAUNCHER]: ModLauncher 4.1.0+62+5bfa59b starting: java version 1.8.0_252 by AdoptOpenJDK 
[22:33:58.601] [main/INFO] [Plugin/]: SpongePowered PLUGIN Subsystem Version=0.1.1-SNAPSHOT Service=ModLauncher 
[22:33:58.609] [main/INFO] [Plugin/]: Plugin language loader 'java_plain' found. 
[22:33:58.727] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.1 Source=file:/C:/Users/Christian/.gradle/caches/modules-2/files-2.1/org.spongepowered/mixin/0.8.1-SNAPSHOT/c18aed9fc9d0aff8186004a5c504da897190ed81/mixin-0.8.1-SNAPSHOT.jar Service=ModLauncher Env=SERVER 
[22:33:58.814] [main/INFO] [Plugin/]: Discovered '0' [classpath] plugin resource(s) for 'java_plain'. 
[22:33:58.818] [main/INFO] [Plugin/]: Discovered '0' [directory] plugin resource(s) for 'java_plain'. 
[22:33:59.134] [main/INFO] [mixin/]: Successfully loaded Mixin Connector [org.spongepowered.vanilla.modlauncher.mixin.VanillaLaunchMixinConnector] 
[22:33:59.343] [main/INFO] [LaunchServiceHandler/MODLAUNCHER]: Launching target 'sponge_server_dev' with arguments [nogui] 
[22:33:59.343] [main/INFO] [Sponge Launch/]: Transitioning to Sponge launcher, please wait... 
[22:33:59.374] [main/WARN] [mixin/]: Reference map 'mixins.common.refmap.json' for mixins.common.accessors.json could not be read. If this is a development environment you can ignore this message 
[22:33:59.378] [main/WARN] [mixin/]: Reference map 'mixins.common.refmap.json' for mixins.common.api.json could not be read. If this is a development environment you can ignore this message 
[22:33:59.381] [main/WARN] [mixin/]: Reference map 'mixins.common.refmap.json' for mixins.common.core.json could not be read. If this is a development environment you can ignore this message 
[22:33:59.384] [main/WARN] [mixin/]: Reference map 'mixins.common.refmap.json' for mixins.common.inventory.json could not be read. If this is a development environment you can ignore this message 
[22:33:59.387] [main/WARN] [mixin/]: Reference map 'mixins.common.refmap.json' for mixins.common.tracker.json could not be read. If this is a development environment you can ignore this message 
[22:33:59.389] [main/WARN] [mixin/]: Reference map 'mixins.vanilla.refmap.json' for mixins.vanilla.accessors.json could not be read. If this is a development environment you can ignore this message 
[22:33:59.392] [main/WARN] [mixin/]: Reference map 'mixins.vanilla.refmap.json' for mixins.vanilla.api.json could not be read. If this is a development environment you can ignore this message 
[22:33:59.395] [main/WARN] [mixin/]: Reference map 'mixins.vanilla.refmap.json' for mixins.vanilla.core.json could not be read. If this is a development environment you can ignore this message 
[22:34:00.843] [main/WARN] [mixin/]: Error loading class: net/minecraft/tileentity/SignTileEntity$1 (java.lang.ClassNotFoundException: null) 
[22:34:00.843] [main/WARN] [mixin/]: @Mixin target net/minecraft/tileentity/SignTileEntity$1 was not found mixins.common.api.json:service.permission.SubjectMixin_API 
[22:34:00.849] [main/WARN] [mixin/]: Error loading class: net/minecraft/tileentity/SignTileEntity$2 (java.lang.ClassNotFoundException: null) 
[22:34:00.849] [main/WARN] [mixin/]: @Mixin target net/minecraft/tileentity/SignTileEntity$2 was not found mixins.common.api.json:service.permission.SubjectMixin_API 
[22:34:00.979] [main/WARN] [mixin/]: Error loading class: net/minecraft/network/login/ServerLoginNetHandler$2 (java.lang.ClassNotFoundException: null) 
[22:34:00.979] [main/WARN] [mixin/]: @Mixin target net/minecraft/network/login/ServerLoginNetHandler$2 was not found mixins.common.core.json:network.login.ServerLoginNetHandler_2Mixin 
[22:34:00.984] [main/WARN] [mixin/]: Error loading class: net/minecraft/tileentity/SignTileEntity$1 (java.lang.ClassNotFoundException: null) 
[22:34:00.984] [main/WARN] [mixin/]: @Mixin target net/minecraft/tileentity/SignTileEntity$1 was not found mixins.common.core.json:service.permission.SubjectMixin 
[22:34:00.988] [main/WARN] [mixin/]: Error loading class: net/minecraft/tileentity/SignTileEntity$2 (java.lang.ClassNotFoundException: null) 
[22:34:00.988] [main/WARN] [mixin/]: @Mixin target net/minecraft/tileentity/SignTileEntity$2 was not found mixins.common.core.json:service.permission.SubjectMixin 
[22:34:01.185] [main/WARN] [mixin/]: Error loading class: net/minecraft/network/login/ServerLoginNetHandler$2 (java.lang.ClassNotFoundException: null) 
[22:34:01.185] [main/WARN] [mixin/]: @Mixin target net/minecraft/network/login/ServerLoginNetHandler$2 was not found mixins.vanilla.core.json:network.login.ServerLoginNetHandler_2Mixin_Vanilla 
[22:34:01.687] [main/INFO] [Sponge/]: Loading Sponge, please wait... 
Exception in thread "main" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:39)
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)
	at org.spongepowered.vanilla.modlauncher.Main.main(Main.java:71)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.spongepowered.vanilla.modlauncher.bootstrap.ServerDevLaunchHandler.launchService0(ServerDevLaunchHandler.java:42)
	at org.spongepowered.vanilla.modlauncher.bootstrap.AbstractVanillaLaunchHandler.lambda$launchService$1(AbstractVanillaLaunchHandler.java:75)
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
	... 5 more
Caused by: java.lang.NoClassDefFoundError: [Lorg/aopalliance/intercept/MethodInterceptor;
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.getDeclaredMethods(Class.java:1975)
	at com.google.inject.internal.ProviderMethodsModule.getProviderMethods(ProviderMethodsModule.java:132)
	at com.google.inject.internal.ProviderMethodsModule.configure(ProviderMethodsModule.java:123)
	at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:340)
	at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:349)
	at com.google.inject.spi.Elements.getElements(Elements.java:110)
	at com.google.inject.internal.InjectorShell$Builder.build(InjectorShell.java:138)
	at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:104)
	at com.google.inject.Guice.createInjector(Guice.java:99)
	at org.spongepowered.common.SpongeBootstrap.perform(SpongeBootstrap.java:54)
	at org.spongepowered.vanilla.launch.DedicatedServerLauncher.launchPlatform(DedicatedServerLauncher.java:55)
	at org.spongepowered.vanilla.launch.DedicatedServerLauncher.launch(DedicatedServerLauncher.java:43)
	... 12 more
Caused by: java.lang.ClassNotFoundException: org.aopalliance.intercept.MethodInterceptor
	at java.lang.ClassLoader.findClass(ClassLoader.java:523)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:103)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 26 more