Server closes as soon as i enter

After i join in The End, the server close always i try to enter.

Log:

[18:51:49] [Server thread/INFO]: Starting minecraft server version 1.7.10

[18:52:30] [Server thread/INFO]: Loading properties

[18:52:30] [Server thread/INFO]: Default game type: SURVIVAL

[18:52:30] [Server thread/INFO]: Generating keypair

[18:52:30] [Server thread/INFO]: Starting Minecraft server on *:10074

[18:52:30] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!

[18:52:30] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware.

[18:52:30] [Server thread/WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.

[18:52:30] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file.

[18:52:48] [Server thread/INFO]: Preparing level "world"

[18:52:51] [Server thread/INFO]: Preparing start region for level 0

[18:52:55] [Server thread/INFO]: Preparing spawn area: 1%

[18:52:56] [Server thread/INFO]: Preparing spawn area: 30%

[18:52:57] [Server thread/INFO]: Preparing spawn area: 41%

[18:52:58] [Server thread/INFO]: Preparing spawn area: 46%

[18:52:59] [Server thread/INFO]: Preparing spawn area: 95%

[18:52:59] [Server thread/INFO]: Done (11.796s)! For help, type "help" or "?"

[18:52:59] [Server thread/INFO]: Starting GS4 status listener

[18:52:59] [Query Listener #1/INFO]: Query running on 0.0.0.0:10074

[18:53:06] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 5930ms behind, skipping 118 tick(s)

[18:53:30] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 6340ms behind, skipping 126 tick(s)

[18:54:24] [Server thread/INFO]: EddyTeach[/189.49.35.171:50934] logged in with entity id 3497 at (54.81655237360184, 42.0, 16.043096092389412)

[18:54:24] [Server thread/INFO]: EddyTeach joined the game

[18:54:26] [Server thread/ERROR]: Encountered an unexpected exception

net.minecraft.util.ReportedException: Error loading dungeon caveTests.prop from missing folder: /aternos/server/config/Chocolate/snowCastles

at com.chocolate.chocolateQuest.builder.BuilderHelper.getRandomNBTMap(BuilderHelper.java:680) ~[BuilderHelper.class:?]

at com.chocolate.chocolateQuest.builder.BuilderTemplate.generate(BuilderTemplate.java:55) ~[BuilderTemplate.class:?]

at com.chocolate.chocolateQuest.WorldGeneratorNew.generateBigDungeon(WorldGeneratorNew.java:150) ~[WorldGeneratorNew.class:?]

at com.chocolate.chocolateQuest.WorldGeneratorNew.generateSurface(WorldGeneratorNew.java:100) ~[WorldGeneratorNew.class:?]

at com.chocolate.chocolateQuest.WorldGeneratorNew.generate(WorldGeneratorNew.java:62) ~[WorldGeneratorNew.class:?]

at cpw.mods.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:112) ~[GameRegistry.class:?]

at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:280) ~[ms.class:?]

at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1050) ~[apx.class:?]

at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:52) ~[ChunkIOProvider.class:?]

at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12) ~[ChunkIOProvider.class:?]

at net.minecraftforge.common.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:189) ~[AsynchronousExecutor$Task.class:?]

at net.minecraftforge.common.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:354) ~[AsynchronousExecutor.class:?]

at net.minecraftforge.common.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:30) ~[ChunkIOExecutor.class:?]

at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:596) ~[MinecraftServer.class:?]

at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334) ~[lt.class:?]

at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) ~[MinecraftServer.class:?]

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [MinecraftServer.class:?]

at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]

Caused by: java.lang.NullPointerException

at com.chocolate.chocolateQuest.builder.BuilderHelper.getRandomNBTMap(BuilderHelper.java:669) ~[BuilderHelper.class:?]

... 17 more

[18:54:26] [Server thread/ERROR]: This crash report has been saved to: /aternos/server/./crash-reports/crash-2018-10-07_18.54.26-server.txt

[18:54:26] [Server thread/INFO]: Stopping server

[18:54:26] [Server thread/INFO]: Saving players

[18:54:26] [Server thread/INFO]: Saving worlds

[18:54:26] [Server thread/INFO]: Saving chunks for level 'world'/Overworld

[18:54:26] [Server thread/INFO]: Saving chunks for level 'world'/Nether

[18:54:26] [Server thread/INFO]: Saving chunks for level 'world'/The End

[18:54:26] [Server thread/INFO]: Saving chunks for level 'world'/Underdark

[18:54:26] [Server thread/INFO]: Saving chunks for level 'world'/The Last Millenium

My modlist is:

AnimationAPI-1.7.10-1.2.4.jar

Chisel-2.9.5.11.jar

CoFHCore-%5b1.7.10%5d3.1.4-329.jar

CoFHLib-%5b1.7.10%5d1.2.1-185.jar

CodeChickenCore-1.7.10-1.0.7.47-universal.jar

EnderStorage-1.7.10-1.4.7.37-universal.jar

Mantle-1.7.10-0.3.2b.jar

MineFactoryReloaded-%5b1.7.10%5d2.8.2B1-201.jar

MrCrayfishFurnitureModv3.4.7(1.7.10).jar

NotEnoughItems-1.7.10-1.0.5.120-universal.jar

PlayerAPI-1.7.10-1.4.jar

SmartMoving-1.7.10-15.6.jar

SolarFlux-1.7.10-0.8b.jar

TConstruct-1.7.10-1.8.8.build991.jar

ThermalDynamics-%5b1.7.10%5d1.2.1-172.jar

ThermalExpansion-%5b1.7.10%5d4.1.5-248.jar

ThermalFoundation-%5b1.7.10%5d1.2.6-118.jar

appliedenergistics2-rv3-beta-6.jar

backpack-2.0.1-1.7.x.jar

buildcraft-7.1.23.jar

chocolateQuest-1.7.10-1.1d.jar

extrautilities-1.2.12.jar

industrialcraft-2-2.2.827-experimental.jar

ironchest-1.7.10-6.0.62.742-universal.jar

journeymap-1.7.10-5.1.4p2-unlimited.jar

Minecraft 1.7.10

My forge: 1.7.10 - 10.13.4.1558