Hello. you've uploaded an image that starts with "IMG" if I can recall correctly, but the image was not used on the wiki. Unlike Imgur, Wiki sites are not made to host images. They are meant to be a gallery of images that are to be used for social or wiki building purposes.
I also want to point out that, according to the metadata, the image you have uploaded is a direct duplicate of an image that already exists called "File:Yellow Diamond - Original Design.png." Because of this, your image cannot be restored, but you can use the one I've linked instead that is already used somewhere else by someone else.
Just want to let you know for next time. Happy editing :)