Board Thread:Support Requests - Getting Technical/@comment-26362067-20160131060912/@comment-13301-20160208111526

Elexorien wrote: JPEG and JPG are not the same on Wikia. If the file type is a jpeg, then you would have to add .jpeg at the end of the filename. JPG will not work.

JPEG and JPG are exactly the same format, the only difference is the file extension. You can reupload a JPEG file over a JPG one without problems.

The problem here seems to be the fact that Jadefire62 is trying to upload a JPG/JPEG file as PNG, which are not the same format.