[09:23:48] [Server thread/ERROR] [Sponge]: Could not pass FMLInitializationEvent to Plugin{id=pixelmonlogger, name=Pixelmonlogger, version=1.2.0-S7.1, de
scription=A logging plugin for Pixelmon, authors=[m1zark], source=./mods/pixelmonlogger-1.2.0-S7.1.jar}
java.lang.NoClassDefFoundError: com/wondertrademod/wondertrade/events/WondertradeEvent
        at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:1.8.0_171]
        at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[?:1.8.0_171]
        at java.lang.Class.privateGetPublicMethods(Class.java:2902) ~[?:1.8.0_171]
        at java.lang.Class.getMethods(Class.java:1615) ~[?:1.8.0_171]
        at net.minecraftforge.fml.common.eventhandler.EventBus.register(EventBus.java:82) ~[EventBus.class:?]
        at com.m1zark.pixelmonlogger.PixelmonLogger.onServerStart(PixelmonLogger.java:49) ~[PixelmonLogger.class:?]
        at org.spongepowered.common.event.listener.GameInitializationEventListener_PixelmonLogger_onServerStart109.handle(Unknown Source) ~[?:?]
        at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.12.2-2705-7.1.0-BETA-3206]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:383) [SpongeModEventManager.class:1.12.2-2705-7.1.0-BETA-320
6]
        at org.spongepowered.mod.event.SpongeModEventManager.extendedPost(SpongeModEventManager.java:420) [SpongeModEventManager.class:1.12.2-2705-7.1.0-
BETA-3206]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:404) [SpongeModEventManager.class:1.12.2-2705-7.1.0-BETA-320
6]
        at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:223) [SpongeImpl.class:1.12.2-2705-7.1.0-BETA-3206]
        at org.spongepowered.mod.SpongeMod.onStateEvent(SpongeMod.java:246) [SpongeMod.class:1.12.2-2705-7.1.0-BETA-3206]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_171]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_171]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_171]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_171]
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [minecraft_server.1.12.2.jar:?]
        at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.EventBus.post(EventBus.java:217) [minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218) [LoadController.class:?]
        at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196) [LoadController.class:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_171]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_171]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_171]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_171]
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [minecraft_server.1.12.2.jar:?]
                at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.EventBus.post(EventBus.java:217) [minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.LoadController.redirect$onPost$zza000(LoadController.java:560) [LoadController.class:?]
        at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135) [LoadController.class:?]
        at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:744) [Loader.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:107) [FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:337) [FMLCommonHandler.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:219) [nz.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) [MinecraftServer.class:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]
Caused by: java.lang.ClassNotFoundException: com.wondertrademod.wondertrade.events.WondertradeEvent
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_171]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_171]
        ... 45 more
Caused by: java.lang.NullPointerException