I believe the unintended 360 degree format is an issue that has been discussed before, see Unwanted 360 degree photo's - #2 by eesger thus I’d recommend checking aspect ratio of your image.
I believe the unintended 360 degree format is an issue that has been discussed before, see Unwanted 360 degree photo's - #2 by eesger thus I’d recommend checking aspect ratio of your image.