This message comes up when I attempt to upload a 100 x 100 Avatar for my profile. I'll try again later in case it's just website maintenance or something.
It looks like the issue was the result of not having a valid extension for your image file. Try again, but use a valid extension, like .gif .png or .jpg.
It looks like the issue was the result of not having a valid extension for your image file. Try again, but use a valid extension, like .gif .png or .jpg.
It looks like the issue was the result of not having a valid extension for your image file. Try again, but use a valid extension, like .gif .png or .jpg.