[10:23:37.688] [Server thread/ERROR] [ne.mi.ev.EventBus/EVENTBUS]: Exception caught during firing event: null
    Index: 3
    Listeners:
        0: NORMAL
        1: net.minecraftforge.eventbus.EventBus$$Lambda$1358/1462613486@f4746cd
        2: net.minecraftforge.eventbus.EventBus$$Lambda$1358/1462613486@4ab961c4
        3: ASM: class com.robertx22.mmorpg.MMORPG onServerStarting(Lnet/minecraftforge/fml/event/server/FMLServerStartingEvent;)V
java.lang.NullPointerException
    at net.minecraft.world.storage.WorldSavedDataStorage.get(WorldSavedDataStorage.java:32)
    at net.minecraft.world.ISaveDataAccess.getSavedData(ISaveDataAccess.java:16)
    at net.minecraft.world.WorldServerMulti.init(WorldServerMulti.java:58)
    at net.minecraftforge.common.DimensionManager.initWorld(DimensionManager.java:204)
    at com.robertx22.dimensions.MapManager.preRegisterDimension(MapManager.java:158)
    at com.robertx22.dimensions.MapManager.onStartServerRegisterDimensions(MapManager.java:225)
    at com.robertx22.mmorpg.MMORPG.onServerStarting(MMORPG.java:130)
    at net.minecraftforge.eventbus.ASMEventHandler_9_MMORPG_onServerStarting_FMLServerStartingEvent.invoke(.dynamic)
    at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80)
    at net.minecraftforge.eventbus.EventBus.post(EventBus.java:254)
    at net.minecraftforge.fml.server.ServerLifecycleHooks.handleServerStarting(ServerLifecycleHooks.java:76)
    at net.minecraft.server.integrated.IntegratedServer.init(IntegratedServer.java:101)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:595)
    at java.lang.Thread.run(Thread.java:748)

[10:23:37.689] [Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception
java.lang.NullPointerException: null
    at net.minecraft.world.storage.WorldSavedDataStorage.get(WorldSavedDataStorage.java:32) ~[forge-1.13.2-25.0.209_mapped_snapshot_20190428-1.13.2-recomp.jar:?]
    at net.minecraft.world.ISaveDataAccess.getSavedData(ISaveDataAccess.java:16) ~[forge-1.13.2-25.0.209_mapped_snapshot_20190428-1.13.2-recomp.jar:?]
    at net.minecraft.world.WorldServerMulti.init(WorldServerMulti.java:58) ~[forge-1.13.2-25.0.209_mapped_snapshot_20190428-1.13.2-recomp.jar:?]
    at net.minecraftforge.common.DimensionManager.initWorld(DimensionManager.java:204) ~[forge-1.13.2-25.0.209_mapped_snapshot_20190428-1.13.2-recomp.jar:?]
    at com.robertx22.dimensions.MapManager.preRegisterDimension(MapManager.java:158) ~[classes/:?]
    at com.robertx22.dimensions.MapManager.onStartServerRegisterDimensions(MapManager.java:225) ~[classes/:?]
    at com.robertx22.mmorpg.MMORPG.onServerStarting(MMORPG.java:130) ~[classes/:?]
    at net.minecraftforge.eventbus.ASMEventHandler_9_MMORPG_onServerStarting_FMLServerStartingEvent.invoke(.dynamic) ~[?:?]
    at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80) ~[eventbus-0.9.2-service.jar:?]
    at net.minecraftforge.eventbus.EventBus.post(EventBus.java:254) ~[eventbus-0.9.2-service.jar:?]
    at net.minecraftforge.fml.server.ServerLifecycleHooks.handleServerStarting(ServerLifecycleHooks.java:76) ~[?:?]
    at net.minecraft.server.integrated.IntegratedServer.init(IntegratedServer.java:101) ~[?:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:595) [?:?]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]