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---- Minecraft Crash Report -------- Minecraft Crash Report ----// Uh... Did I do that?
Time: 7/2/17 4:31 PMDescription: Exception in server tick loop
net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Mod Name (modname)Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/entity/EntityPlayerSP at mod.mcreator.mcreator_fallingblock.<clinit>(mcreator_fallingblock.java:86) at mod.mcreator.modname.<init>(modname.java:45) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at net.minecraftforge.fml.common.ILanguageAdapter$JavaAdapter.getNewInstance(ILanguageAdapter.java:193) at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:618) 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 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.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 net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:148) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:582) at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:99) at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:332) at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:121) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:442) at java.lang.Thread.run(Unknown Source)Caused by: java.lang.ClassNotFoundException: net.minecraft.client.entity.EntityPlayerSP at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 36 moreCaused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer [email protected]15667d from coremod FMLCorePlugin at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:257) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ... 38 moreCaused by: java.lang.RuntimeException: Attempted to load class bps for invalid side SERVER at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62) at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:253) ... 40 more

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
-- System Details --Details: Minecraft Version: 1.11.2 Operating System: Windows 10 (x86) version 10.0 Java Version: 1.8.0_131, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 960285136 bytes (915 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB) JVM Flags: 2 total; -Xmx1024M -Xms1024M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.38 Powered by Forge 13.20.1.2386 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 minecraft{1.11.2} [Minecraft] (minecraft.jar) UC mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) UC FML{8.0.99.99} [Forge Mod Loader] (forge-1.11.2-13.20.1.2386-universal.jar) UC forge{13.20.1.2386} [Minecraft Forge] (forge-1.11.2-13.20.1.2386-universal.jar) UE modname{1.0.0} [Mod Name] (FunnyMod_1.0.0.jar) Loaded coremods (and transformers): Profiler Position: N/A (disabled) Is Modded: Definitely; Server brand changed to 'fml,forge' Type: Dedicated Server (map_server.txt)

this has a mod created by me , the mod works but the server wont work

help me please!!