SlyRetribution

Shutting Down Internal Server Error (NEED HELP)

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It only seems to occur on one of my worlds and ill paste the crash report down below, if you find any way to fix it please let me know:

java.lang.NullPointerException: 

    at net.minecraft.world.gen.structure.StructureStart.func_75068_a(StructureStart.java:47)
    at net.minecraft.world.gen.structure.MapGenStructure.func_75051_a(MapGenStructure.java:81)
    at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:533)
    at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:258)
    at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1253)
    at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:153)
    at net.minecraft.server.management.PlayerInstance.<init>(PlayerInstance.java:43)
    at net.minecraft.server.management.PlayerManager.func_72690_a(SourceFile:208)
    at net.minecraft.server.management.PlayerManager.func_72683_a(SourceFile:240)
    at net.minecraft.server.management.ServerConfigurationManager.func_72375_a(ServerConfigurationManager.java:220)
    at net.minecraft.server.management.ServerConfigurationManager.func_72377_c(ServerConfigurationManager.java:268)
    at net.minecraft.server.management.ServerConfigurationManager.func_72355_a(ServerConfigurationManager.java:136)
    at net.minecraft.server.integrated.IntegratedServerListenThread.func_71747_b(IntegratedServerListenThread.java:97)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:691)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:587)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
    at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)
Please help if you know the solution...!!!

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      ---- Minecraft Crash Report ----
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      // Daisy, daisy...
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      A detailed walkthrough of the error, its code path and all known details is as follows:
      ---------------------------------------------------------------------------------------
      -- System Details --
      Details:
          Minecraft Version: 1.12.2
          Operating System: Windows 10 (amd64) version 10.0
          Java Version: 1.8.0_221, Oracle Corporation
          Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
          Memory: 651275368 bytes (621 MB) / 844627968 bytes (805 MB) up to 1895825408 bytes (1808 MB)
          JVM Flags: 0 total; 
          IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
          FML: MCP 9.42 Powered by Forge 14.23.5.2838 60 mods loaded, 60 mods active
          States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
          | State | ID                  | Version               | Source                                            | Signature                                |
          |:----- |:------------------- |:--------------------- |:------------------------------------------------- |:---------------------------------------- |
          | LC    | minecraft           | 1.12.2                | minecraft.jar                                     | None                                     |
          | LC    | mcp                 | 9.42                  | minecraft.jar                                     | None                                     |
          | LC    | FML                 | 8.0.99.99             | forge.jar                                         | e3c3d50c7c986df74c645c0ac54639741c90a557 |
          | LC    | forge               | 14.23.5.2838          | forge.jar                                         | e3c3d50c7c986df74c645c0ac54639741c90a557 |
          | LC    | micdoodlecore       |                       | minecraft.jar                                     | None                                     |
          | LC    | srm-hooks           | 1.12.2-1.0.0          | minecraft.jar                                     | None                                     |
          | LC    | xijun               | 1.9                   | Bacteria1.12.2_2.0.jar                            | None                                     |
          | LC    | battletowers        | 1.6.4                 | BattleTowers-Mod-1.12.2.jar                       | None                                     |
          | LC    | biomesoplenty       | 7.0.1.2441            | BiomesOPlenty-1.12.2-7.0.1.2441-universal.jar     | None                                     |
          | LC    | bonfires            | 1.2.2                 | Bonfires-1.12.2-1.2.2-16eac59.jar                 | None                                     |
          | LC    | bookshelf           | 2.3.585               | Bookshelf-1.12.2-2.3.585.jar                      | d476d1b22b218a10d845928d1665d45fce301b27 |
          | LC    | buildcraftlib       | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | buildcraftcore      | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | buildcraftbuilders  | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | buildcrafttransport | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | buildcraftsilicon   | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | buildcraftcompat    | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | buildcraftenergy    | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | buildcraftfactory   | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | buildcraftrobotics  | 7.99.24.1             | buildcraft-all-7.99.24.1.jar                      | None                                     |
          | LC    | carpentersblocks    | 3.4.0-poc.6           | Carpenter's Blocks v3.4.0-poc.6 - MC 1.12.2.jar   | None                                     |
          | LC    | cfm                 | 6.3.0                 | cfm-6.3.0-mc1.12.2.jar                            | None                                     |
          | LC    | redstoneflux        | 2.1.0                 | RedstoneFlux-1.12-2.1.0.6-universal.jar           | 8a6abf2cb9e141b866580d369ba6548732eff25f |
          | LC    | cofhcore            | 4.6.3                 | CoFHCore-1.12.2-4.6.3.27-universal.jar            | None                                     |
          | LC    | cofhworld           | 1.3.1                 | CoFHWorld-1.12.2-1.3.1.7-universal.jar            | 8a6abf2cb9e141b866580d369ba6548732eff25f |
          | L     | communist           | 1.0.0                 | Communism Mod.jar                                 | None                                     |
          | L     | corpse              | 1.12.2-1.0.0          | Corpse-Mod-1.12.2.jar                             | None                                     |
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          | L     | scp                 | 2.1.1                 | SCP+Lockdown-1.12.2-2.1.1-beta.jar                | None                                     |
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          | L     | lemonlib            | 1.3.0                 | LemonLib-1.12.2.jar                               | None                                     |
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          | L     | thermalfoundation   | 2.6.3                 | ThermalFoundation-1.12.2-2.6.3.27-universal.jar   | None                                     |
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          | L     | uteamcore           | 2.2.4.107             | u_team_core-1.12.2-2.2.4.107.jar                  | None                                     |
          | L     | usefulbackpacks     | 1.5.0.23              | Useful-Backpacks-Mod-1.12.2.jar                   | None                                     |
          | L     | worldedit           | 6.1.10-SNAPSHOT       | worldedit-forge-mc1.12.2-6.1.10-SNAPSHOT-dist.jar | None                                     |
          | L     | midnight            | 0.3.5                 | themidnight-0.3.5.jar                             | None                                     |
          Loaded coremods (and transformers): 
      SecretRoomsMod-Core (Secret-Rooms-Mod-1.12.2.jar)
        com.wynprice.secretroomsmod.core.SecretRoomsTransformer
      midnight (themidnight-0.3.5.jar)
        com.mushroom.midnight.core.transformer.MidnightClassTransformer
      MicdoodlePlugin (MicdoodleCore-1.12.2-4.0.2.238.jar)
        micdoodle8.mods.miccore.MicdoodleTransformer
      MalisisCorePlugin (MalisisCore-1.12.2.jar)
        
          Profiler Position: N/A (disabled)
          Is Modded: Definitely; Server brand changed to 'fml,forge'
          Type: Dedicated Server (map_server.txt)
       
       
      What can I do to fix this problem. 
    • By TsE
      I have made a modpack. Everything works fine except for the installing process. It installs until it reaches %22 and than magically it resets the whole process and says install again. please help.