Thread:DanikV/@comment-24014422-20170813115738/@comment-24014422-20170813173644

Maybe because it is above 4500 x 4500 right? Because I remember reading a Wikia Staff saying that MediaWiki does not support uploading PNG images with resolution higher than that.

One of them also added that they are considering to change the range, but as of yet, no change has been done.