#Mutant creatures mod 1.6.4 version 1.4.4 windows 10

Operating System: Windows 10 (amd64) version 10.0 Vec3 Pool Size: ~~ERROR~~ NullPointerException: nullДЄt .BetterDungeons.load(BetterDungeons.java:286)ДЄt 0(Native Method)ДЄt (Unknown Source)ДЄt (Unknown Source)ДЄt .invoke(Unknown Source)ДЄt .FMLModContainer.handleModStateEvent(FMLModContainer.java:545)ДЄt (Unknown Source)ДЄt .EventHandler.handleEvent(EventHandler.java:74)ДЄt .SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)ДЄt .EventBus.dispatch(EventBus.java:313)ДЄt .EventBus.dispatchQueuedEvents(EventBus.java:296)ДЄt .EventBus.post(EventBus.java:267)ДЄt .ndEventToModContainer(LoadController.java:201)ДЄt .LoadController.propogateStateMessage(LoadController.java:181)ДЄt .LoadController.distributeStateMessage(LoadController.java:112)ДЄt .Loader.initializeMods(Loader.java:699)ДЄt .FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:249)ДЄt .func_71384_a(Minecraft.java:509)ДЄt .func_99999_d(Minecraft.java:808)ДЄt .Main.main(SourceFile:101)ДЄt .launch(Launch.java:131)ДЄt .main(Launch.java:27)ДЄ detailed walkthrough of the error, its code path and all known details is as follows:

Trying to load up a mod pack but keep getting this error