World generation doesn't work when i try to make a world to test my 1.8.9 mod

Details:
    Minecraft Version: 1.8.9
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_321, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 819847264 bytes (781 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
    JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: 
    Loaded coremods (and transformers): 
    GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 457.30' Renderer: 'GeForce GTX 1050 Ti/PCIe/SSE2'
[13:40:57] [Client thread/INFO] [FML]: MinecraftForge v11.15.1.2318 Initialized
[13:40:58] [Client thread/INFO] [FML]: Replaced 229 ore recipies
[13:40:58] [Client thread/INFO] [FML]: Found 0 mods from the command line. Injecting into mod discoverer
[13:40:58] [Client thread/INFO] [FML]: Searching C:\Users\2rdbu\Downloads\something\run\mods for mods
[13:40:59] [Client thread/INFO] [FML]: Forge Mod Loader has identified 4 mods to load
[13:41:00] [Client thread/INFO] [FML]: Attempting connection with missing mods [mcp, FML, Forge, examplemod] at CLIENT
[13:41:00] [Client thread/INFO] [FML]: Attempting connection with missing mods [mcp, FML, Forge, examplemod] at SERVER
[13:41:00] [Client thread/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:Example Mod
[13:41:00] [Client thread/INFO] [FML]: Processing ObjectHolder annotations
[13:41:00] [Client thread/INFO] [FML]: Found 384 ObjectHolder annotations
[13:41:00] [Client thread/INFO] [FML]: Identifying ItemStackHolder annotations
[13:41:00] [Client thread/INFO] [FML]: Found 0 ItemStackHolder annotations
[13:41:00] [Client thread/INFO] [FML]: Configured a dormant chunk cache size of 0
[13:41:00] [Forge Version Check/INFO] [ForgeVersionCheck]: [Forge] Starting version check at http://files.minecraftforge.net/maven/net/minecraftforge/forge/promotions_slim.json
[13:41:00] [Client thread/INFO] [FML]: Applying holder lookups
[13:41:00] [Client thread/INFO] [FML]: Holder lookups applied
[13:41:00] [Client thread/INFO] [FML]: Injecting itemstacks
[13:41:00] [Client thread/INFO] [FML]: Itemstack injection complete
[13:41:01] [Sound Library Loader/INFO]: Starting up SoundSystem...
[13:41:01] [Thread-9/INFO]: Initializing LWJGL OpenAL
[13:41:01] [Thread-9/INFO]: (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
[13:41:01] [Thread-9/INFO]: OpenAL initialized.
[13:41:01] [Sound Library Loader/INFO]: Sound engine started
[13:41:07] [Client thread/INFO] [FML]: Max texture size: 16384
[13:41:07] [Client thread/INFO]: Created: 16x16 textures-atlas
[13:41:09] [Client thread/INFO] [STDOUT]: [com.example.examplemod.ExampleMod:init:19]: DIRT BLOCK >> tile.dirt
[13:41:09] [Client thread/INFO] [FML]: Injecting itemstacks
[13:41:09] [Client thread/INFO] [FML]: Itemstack injection complete
[13:41:09] [Client thread/INFO] [FML]: Forge Mod Loader has successfully loaded 4 mods
[13:41:09] [Client thread/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:Example Mod
[13:41:09] [Client thread/INFO]: SoundSystem shutting down...
[13:41:09] [Client thread/WARN]: Author: Paul Lamb, www.paulscode.com
[13:41:09] [Sound Library Loader/INFO]: Starting up SoundSystem...
[13:41:10] [Thread-11/INFO]: Initializing LWJGL OpenAL
[13:41:10] [Thread-11/INFO]: (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
[13:41:10] [Thread-11/INFO]: OpenAL initialized.
[13:41:10] [Sound Library Loader/INFO]: Sound engine started
[13:41:15] [Client thread/INFO] [FML]: Max texture size: 16384
[13:41:15] [Client thread/INFO]: Created: 512x512 textures-atlas
[13:41:20] [Server thread/INFO]: Starting integrated minecraft server version 1.8.9
[13:41:20] [Server thread/INFO]: Generating keypair
[13:41:20] [Server thread/INFO] [FML]: Injecting existing block and item data into this server instance
[13:41:20] [Server thread/INFO] [FML]: Applying holder lookups
[13:41:20] [Server thread/INFO] [FML]: Holder lookups applied
[13:41:20] [Server thread/INFO] [FML]: Loading dimension 0 (New World) (net.minecraft.server.integrated.IntegratedServer@16ef65df)
[13:41:21] [Server thread/INFO] [FML]: Loading dimension 1 (New World) (net.minecraft.server.integrated.IntegratedServer@16ef65df)
[13:41:21] [Server thread/INFO] [FML]: Loading dimension -1 (New World) (net.minecraft.server.integrated.IntegratedServer@16ef65df)
[13:41:21] [Server thread/INFO]: Preparing start region for level 0
[13:41:22] [Server thread/INFO]: Preparing spawn area: 5%
[13:41:23] [Server thread/INFO]: Preparing spawn area: 16%
[13:41:24] [Server thread/INFO]: Preparing spawn area: 28%
[13:41:25] [Server thread/INFO]: Preparing spawn area: 43%
[13:41:26] [Server thread/INFO]: Preparing spawn area: 58%
[13:41:27] [Server thread/INFO]: Preparing spawn area: 72%
[13:41:28] [Server thread/INFO]: Preparing spawn area: 88%
[13:41:28] [Server thread/ERROR] [FML]: Fatal errors were detected during the transition from SERVER_ABOUT_TO_START to SERVER_STARTING. Loading cannot continue
[13:41:28] [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
    UCHIJAAA    mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) 
    UCHIJAAA    FML{8.0.99.99} [Forge Mod Loader] (forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar) 
    UCHIJAAA    Forge{11.15.1.2318} [Minecraft Forge] (forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar) 
    UCHIJAAE    examplemod{1.0} [Example Mod] (bin) 
[13:41:28] [Server thread/ERROR] [FML]: The following problems were captured during this phase
[13:41:28] [Server thread/ERROR] [FML]: Caught exception from examplemod
java.lang.NullPointerException
    at net.minecraft.command.CommandHandler.registerCommand(CommandHandler.java:134) ~[forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar:?]
    at net.minecraftforge.fml.common.event.FMLServerStartingEvent.registerServerCommand(FMLServerStartingEvent.java:52) ~[forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar:?]
    at com.example.examplemod.ExampleMod.serverLoad(ExampleMod.java:23) ~[bin/:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_321]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_321]
    at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:560) ~[forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_321]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_321]
    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:211) ~[forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar:?]
    at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:189) ~[forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_321]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_321]
    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.distributeStateMessage(LoadController.java:118) [LoadController.class:?]
    at net.minecraftforge.fml.common.Loader.serverStarting(Loader.java:787) [Loader.class:?]
    at net.minecraftforge.fml.common.FMLCommonHandler.handleServerStarting(FMLCommonHandler.java:284) [FMLCommonHandler.class:?]
    at net.minecraft.server.integrated.IntegratedServer.startServer(IntegratedServer.java:129) [IntegratedServer.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:508) [MinecraftServer.class:?]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_321]
[13:41:28] [Server thread/ERROR] [FML]: A fatal exception occurred during the server starting event
java.lang.NullPointerException
    at net.minecraft.command.CommandHandler.registerCommand(CommandHandler.java:134) ~[forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar:?]
    at net.minecraftforge.fml.common.event.FMLServerStartingEvent.registerServerCommand(FMLServerStartingEvent.java:52) ~[forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar:?]
    at com.example.examplemod.ExampleMod.serverLoad(ExampleMod.java:23) ~[bin/:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_321]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_321]
    at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:560) ~[forgeSrc-1.8.9-11.15.1.2318-1.8.9.jar:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_321]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_321]
    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:211) ~[LoadController.class:?]
    at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:189) ~[LoadController.class:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_321]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_321]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_321]
    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.distributeStateMessage(LoadController.java:118) ~[LoadController.class:?]
    at net.minecraftforge.fml.common.Loader.serverStarting(Loader.java:787) [Loader.class:?]
    at net.minecraftforge.fml.common.FMLCommonHandler.handleServerStarting(FMLCommonHandler.java:284) [FMLCommonHandler.class:?]
    at net.minecraft.server.integrated.IntegratedServer.startServer(IntegratedServer.java:129) [IntegratedServer.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:508) [MinecraftServer.class:?]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_321]
[13:41:28] [Server thread/INFO] [FML]: Applying holder lookups
[13:41:28] [Server thread/INFO] [FML]: Holder lookups applied
[13:41:28] [Server thread/INFO] [FML]: The state engine was in incorrect state ERRORED and forced into state SERVER_STOPPED. Errors may have been discarded.
[13:41:28] [Server thread/INFO] [FML]: The state engine was in incorrect state ERRORED and forced into state AVAILABLE. Errors may have been discarded.

What happens is it makes the world then it doesnt load and just puts me back into the title screen