[15:26:48.418] [.NET TP Worker/ERROR] [tML]: A problem was encountered during world generation
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at SpiritReforged.Common.WorldGeneration.Chests.ChestPoolUtils.PlaceChestItems(List`1 list, Chest chest, Int32 startIndex) in SpiritReforged\Common\WorldGeneration\Chests\ChestPoolUtils.cs:line 65
at SpiritReforged.Common.WorldGeneration.Chests.ChestPoolUtils.AddToVanillaChest(List`1 items, Int32 chestFrame, Int32 index, UInt16 tileType) in SpiritReforged\Common\WorldGeneration\Chests\ChestPoolUtils.cs:line 155
at SpiritReforged.Common.WorldGeneration.Chests.ChestLoot.PostWorldGen() in SpiritReforged\Common\WorldGeneration\Chests\ChestLoot.cs:line 41
at Terraria.ModLoader.SystemLoader.PostWorldGen() in tModLoader\Terraria\ModLoader\SystemLoader.cs:line 497
at Terraria.WorldGen.GenerateWorld_RunTasksAndFinish(Int32 seed, Stopwatch generationStopwatch, GenerationProgress customProgressObject) in tModLoader\Terraria\WorldGen.cs:line 14059
at DMD<DMD<>?22712798::Terraria.WorldGen::GenerateWorld>(Int32 seed, GenerationProgress customProgressObject)
at SyncProxy<System.Void Terraria.WorldGen:GenerateWorld(System.Int32, Terraria.WorldBuilding.GenerationProgress)>(Int32 , GenerationProgress )
at Terraria.WorldGen.do_worldGenCallBack(Object threadContext) in tModLoader\Terraria\WorldGen.cs:line 2508
at Terraria.WorldGen.worldGenCallback(Object threadContext) in tModLoader\Terraria\WorldGen.cs:line 2497
[15:26:56.875] [Main Thread/DEBUG] [tML]: Process.Start (UseShellExecute = True): "tModLoader-Logs"
[15:28:05.248] [Main Thread/DEBUG] [tML]: Process.Start (UseShellExecute = True): "tModLoader-Logs"

Translation: Incompatible with Spooky Mod. I think the game attempting to spawn the Savannah and the Swampy Cemetery in similar places in the world confuses the Chest Loot generation code. I have already reported this to the Spooky Mod developers as well.