kicks the player out of the game when changing skin

Using /skin to change your skin kicks you out of the game. It also takes a very long time to load skins.

Error code:

Exception (cs:140534): ArgumentException: Could not create sprite (0, 0, 512, 512) from a 256x256 texture. UnityEngine.Sprite.Create (UnityEngine.Texture2D texture, UnityEngine.Rect rect, UnityEngine.Vector2 pivot, System.Single pixelsPerUnit, System.UInt32 extrude, UnityEngine.SpriteMeshType meshType, UnityEngine.Vector4 border, System.Boolean generateFallbackPhysicsShape, UnityEngine.SecondarySpriteTexture[] secondaryTextures) (at <00000000000000000000000000000000>:0) UnityEngine.Sprite.Create (UnityEngine.Texture2D texture, UnityEngine.Rect rect, UnityEngine.Vector2 pivot, System.Single pixelsPerUnit, System.UInt32 extrude, UnityEngine.SpriteMeshType meshType) (at <00000000000000000000000000000000>:0) %cf5561211d48ecb5d54940c766710cf4e847a811+<LoadIcon>d__10.MoveNext () (at <00000000000000000000000000000000>:0) UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) (at <00000000000000000000000000000000>:0)

Yes, I've attached the file.

ImportedSkins.json