MWendt Thank you for sending the Spine project. As there were no images attached, I tested it with a green square, but I was able to export it normally even after deleting all the keys except for the slot color key. Here is the result:
In the editor:
To test in exactly the same situation you are in, could you send us the images you are actually using, as well as the export settings JSON file? You can save the export settings JSON file by opening the GIF export settings and pressing the Save button in the bottom left corner.
