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via GitHub by tenten8401
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java.lang.NullPointerException at mcjty.rftoolsdim.dimensions.RfToolsDimensionManager.getDimensionManager(RfToolsDimensionManager.java:303)[RfToolsDimensionManager.class:?] at mcjty.rftoolsdim.dimensions.world.GenericWorldProvider.getDimensionInformation(GenericWorldProvider.java:74)[GenericWorldProvider.class:?] at mcjty.rftoolsdim.dimensions.world.GenericWorldProvider.createBiomeProviderInternal(GenericWorldProvider.java:200)[GenericWorldProvider.class:?] at mcjty.rftoolsdim.dimensions.world.GenericWorldProvider.func_76572_b(GenericWorldProvider.java:190)[GenericWorldProvider.class:?] at net.minecraft.world.WorldProvider.func_76558_a(WorldProvider.java:39)[atl.class:?] at net.minecraft.world.WorldServer.<init>(WorldServer.java:113)[ls.class:?] at net.minecraft.world.WorldServerMulti.<init>(WorldServerMulti.java:18)[lo.class:?] at org.spongepowered.common.world.WorldManager.createWorldFromProperties(WorldManager.java:768)[WorldManager.class:1.10.2-2052-5.0.0-BETA-1670] at org.spongepowered.common.world.WorldManager.loadAllWorlds(WorldManager.java:735)[WorldManager.class:1.10.2-2052-5.0.0-BETA-1670] at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:323)[MinecraftServer.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:266)[ld.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:431)[MinecraftServer.class:?] at java.lang.Thread.run(Thread.java:745)[?:1.8.0_91]