NullReferenceException: Object reference not set to an instance of an object
RegionState.AdaptWorldToRegionState () (at <0d3d3bd248b74a708fd84538ba1e82f5>:0)
World.LoadWorld (SlugcatStats+Timeline timelinePosition, System.Collections.Generic.List`1[T] abstractRoomsList, System.Int32[] swarmRooms, System.Int32[] shelters, System.Int32[] gates) (at <0d3d3bd248b74a708fd84538ba1e82f5>:0)
(wrapper dynamic-method) WorldLoader.DMD<WorldLoader::CreatingWorld>(WorldLoader)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<WorldLoader::CreatingWorld>?-283254784(WorldLoader)
CustomRegions.CustomWorld.IndexedEntranceClass.WorldLoader_CreatingWorld (On.WorldLoader+orig_CreatingWorld orig, WorldLoader self) (at <a74c92687dac46bdb156dcc1de99190c>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<WorldLoader::CreatingWorld>?1215181568(WorldLoader)
WorldLoader.Update () (at <0d3d3bd248b74a708fd84538ba1e82f5>:0)
OverWorld.Update () (at <0d3d3bd248b74a708fd84538ba1e82f5>:0)
(wrapper dynamic-method) RainWorldGame.DMD<RainWorldGame::Update>(RainWorldGame)
(wrapper dynamic-method) MainLoopProcess.DMD<MainLoopProcess::RawUpdate>(MainLoopProcess,single)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<MainLoopProcess::RawUpdate>?450050048(MainLoopProcess,single)
InventoryMod.MainLoopProcess_RawUpdate (On.MainLoopProcess+orig_RawUpdate orig, MainLoopProcess self, System.Single dt) (at C:/Users/Lee/source/repos/Inventory/InventoryMod.cs:147)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<MainLoopProcess::RawUpdate>?-289486976(MainLoopProcess,single)
(wrapper dynamic-method) RainWorldGame.DMD<RainWorldGame::RawUpdate>(RainWorldGame,single)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorldGame::RawUpdate>?1343539200(RainWorldGame,single)
Pom.Pom.RainWorldGameRawUpdate (On.RainWorldGame+orig_RawUpdate orig, RainWorldGame self, System.Single dt) (at POM//Pom/Pom.InputHooks.cs:41)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorldGame::RawUpdate>?-440305024(RainWorldGame,single)
(wrapper dynamic-method) ProcessManager.DMD<ProcessManager::Update>(ProcessManager,single)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<ProcessManager::Update>?1867553792(ProcessManager,single)
RegionKit.Modules.AnimatedDecals.VideoManager.ProcessManager_Update (On.ProcessManager+orig_Update orig, ProcessManager self, System.Single deltaTime) (at <6017281ebb8a4ab5b12d277f7a26c8ae>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<ProcessManager::Update>?-236071296(ProcessManager,single)
(wrapper dynamic-method) RainWorld.DMD<RainWorld::Update>(RainWorld)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorld::Update>?760450048(RainWorld)
BeastMaster.BeastMaster.RainWorldOnUpdate (On.RainWorld+orig_Update orig, RainWorld self) (at /home/master/Coding/CSharp/Rain World/BestMaster/BeastMasterUpdate.cs:46)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorld::Update>?203149696(RainWorld)

Error: Cannot create FMOD::Sound instance for clip "" (FMOD error: Unsupported file or audio format. )