Board Thread:Support Requests - Getting Technical/@comment-24424249-20150121160600

What does this mean? I've tried to upload a picture I don't know how many times, only to get this message. I've cropped it and cropped it, but I'm unsure what it needs cropped TO. The original can be found here:

http://the-windwater-pack.deviantart.com/art/The-Windwater-Pack-gender-age-size-guide-436602123

Any help will be appreciated. Thank you.  