Failed to import file Assets/bird_anim_01.aseprite. Error: Index was outside the bounds of the array.
at UnityEditor.U2D.Aseprite.AsepriteImporter.OnImportAsset (UnityEditor.AssetImporters.AssetImportContext ctx) [0x001df] in ./Library/PackageCache/com.unity.2d.aseprite@ca048e7ac308/Editor/AsepriteImporter.cs:240
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) (at /Users/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:219)