[1.10.2] [Solved] Mod crashes server

Erfurt · November 30, 2016

Hey guys, so I'm trying to get my mod onto a server for my friends and I. But it doesn't work. I have tried running it in eclipse's server thingy, and I got this error/crash message, I'm hoping someone could look at it, and maybe give me some directions on what to look at/change in my code to make my mod work on a server. I should mention that the mod is working fine on client side.

The reason why I want someone to look at it, is because I can't seem to figure out what is wrong. (Kinda obvious )

Error/crash message

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[01:16:25] [server thread/ERROR] [FML]: Fatal errors were detected during the transition from PREINITIALIZATION to INITIALIZATION. Loading cannot continue

[01:16:25] [server thread/ERROR] [FML]:

States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

UCH mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)

UCH FML{8.0.99.99} [Forge Mod Loader] (forgeSrc-1.10.2-12.18.2.2099.jar)

UCH Forge{12.18.2.2099} [Minecraft Forge] (forgeSrc-1.10.2-12.18.2.2099.jar)

UCE wm{1.0.b} [Walls mod] (bin)

[01:16:25] [server thread/ERROR] [FML]: The following problems were captured during this phase

[01:16:25] [server thread/ERROR] [FML]: Caught exception from wm

java.lang.NoClassDefFoundError: net/minecraft/client/renderer/block/statemap/IStateMapper

at erfurt.walls.proxy.CommonProxy.preInit(CommonProxy.java:15) ~[bin/:?]

at erfurt.walls.WallsMod.preInit(WallsMod.java:28) ~[bin/:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_77]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_77]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_77]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_77]

at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:599) ~[forgeSrc-1.10.2-12.18.2.2099.jar:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_77]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_77]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_77]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_77]

at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) ~[guava-17.0.jar:?]

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) ~[guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) ~[guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) ~[guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.post(EventBus.java:275) ~[guava-17.0.jar:?]

at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:239) ~[forgeSrc-1.10.2-12.18.2.2099.jar:?]

at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:217) ~[forgeSrc-1.10.2-12.18.2.2099.jar:?]