This a small error i found in the logs. It doesn't crash the game or anything but it might be affecting frame rate. Again not sure just though i would report.

Logs:
[18:54:52.989] [WorldGen/WARN] [tML]: Silently Caught Exception:
System.Collections.Generic.KeyNotFoundException: The given key 'CrabCrevicePot_3_0' was not present in the dictionary.
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at Aequus.Helper.GoreType(String name) in Aequus\Common\Utilities\Helper.Gore.cs:line 8
at Aequus.Common.Tiles.PotBase.DropGores(Int32 i, Int32 j) in Aequus\Common\Tiles\PotBase.cs:line 46
at Aequus.Common.Tiles.PotBase.KillMultiTile(Int32 i, Int32 j, Int32 frameX, Int32 frameY) in Aequus\Common\Tiles\PotBase.cs:line 98
at Terraria.ModLoader.TileLoader.CheckModTile(Int32 i, Int32 j, Int32 type) in tModLoader\Terraria\ModLoader\TileLoader.cs:line 356
at Terraria.WorldGen.TileFrame(Int32 i, Int32 j, Boolean resetFrame, Boolean noBreak) in tModLoader\Terraria\WorldGen.cs:line 60828
at Terraria.WorldGen.SquareTileFrame(Int32 i, Int32 j, Boolean resetFrame) in tModLoader\Terraria\WorldGen.cs:line 59036
at DMD<System.Boolean Terraria.WorldGen:PlaceTile(System.Int32, System.Int32, System.Int32, System.Boolean, System.Boolean, System.Int32, System.Int32)>(Int32 i, Int32 j, Int32 Type, Boolean mute, Boolean forced, Int32 plr, Int32 style)
at Aequus.AequusTile.WorldGen_PlaceTile(orig_PlaceTile orig, Int32 i, Int32 j, Int32 Type, Boolean mute, Boolean forced, Int32 plr, Int32 style) in AequusTile.cs:line 84
at Hook<System.Boolean Aequus.AequusTile::WorldGen_PlaceTile(Terraria.On_WorldGen+orig_PlaceTile,System.Int32,System.Int32,System.Int32,System.Boolean,System.Boolean,System.Int32,System.Int32)>(Int32 , Int32 , Int32 , Boolean , Boolean , Int32 , Int32 )
at SyncProxy<System.Boolean Terraria.WorldGen:PlaceTile(System.Int32, System.Int32, System.Int32, System.Boolean, System.Boolean, System.Int32, System.Int32)>(Int32 , Int32 , Int32 , Boolean , Boolean , Int32 , Int32 )
at Terraria.WorldGen.<>c.<AddGenPasses>b__288_93(GenerationProgress progress, GameConfiguration passConfig) in tModLoader\Terraria\WorldGen.cs:line 12752
at DMD<System.Void Terraria.WorldBuilding.WorldGenerator:GenerateWorld(Terraria.WorldBuilding.GenerationProgress)>(WorldGenerator this, GenerationProgress progress)
at AdvancedWorldGen.BetterVanillaWorldGen.Replacer.ChangeWeights(orig_GenerateWorld orig, WorldGenerator self, GenerationProgress progress) in AdvancedWorldGen\BetterVanillaWorldGen\Replacer.Hooks.cs:line 136
at Hook<System.Void AdvancedWorldGen.BetterVanillaWorldGen.Replacer::ChangeWeights(Terraria.WorldBuilding.On_WorldGenerator+orig_GenerateWorld,Terraria.WorldBuilding.WorldGenerator,Terraria.WorldBuilding.GenerationProgress)>(WorldGenerator , GenerationProgress )
at SyncProxy<System.Void Terraria.WorldBuilding.WorldGenerator:GenerateWorld(Terraria.WorldBuilding.GenerationProgress)>(WorldGenerator , GenerationProgress )
at Terraria.WorldGen.GenerateWorld_RunTasksAndFinish(Int32 seed, Stopwatch generationStopwatch, GenerationProgress customProgressObject) in tModLoader\Terraria\WorldGen.cs:line 14042
at DMD<System.Void Terraria.WorldGen:GenerateWorld(System.Int32, Terraria.WorldBuilding.GenerationProgress)>(Int32 seed, GenerationProgress customProgressObject)
at SyncProxy<System.Void Terraria.WorldGen:GenerateWorld(System.Int32, Terraria.WorldBuilding.GenerationProgress)>(Int32 , GenerationProgress )
at DMD<System.Void Terraria.WorldGen:do_worldGenCallBack(System.Object)>(Object threadContext)
at AdvancedWorldGen.UI.UIChanger.<>c__DisplayClass10_0.<ThreadifyWorldGen>b__0() in AdvancedWorldGen\UI\UIChanger.cs:line 38
at System.Threading.Thread.StartHelper.Callback(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)