Affected wiki: https://nonsensopedia.org
Example: https://nonsensopedia.org/wiki/Holm - the image of holmium should appear, but it instead appears as redlink
Proof that the image exists: https://commons.wikimedia.org/wiki/File:Holmium2.jpg
Of course, not only this image nor only this article are affected. The entire wiki is affected. Only local images load.