If you see this message every time you run or debug your scripts, relax it is nothing serious.
I didn’t investigate where the image (think) of the animation is supposed to be, so i can replace it with a one-pixel image.
Anyway there is a workaround for this:
Just go to the RUN CONFIGURATION menu and UN–TICK the checkbox named “Launch in background” wich can be found in the “Common” tab.
Use the following image as reference:
Hope this helped