User blog:ThunderDragon2/Files that are used, but are marked as unused

About files that are used on pages, but are marked as unused. Some files that are used are listed in Special:UnusedFiles, causing them to be deleted. It is seen that they are indeed used only after they are restored. Certain files are not updated even after restoration. Such files, when seen in the image lightbox, show that they are not posted on any page, even in Special:WhatLinksHere.

How to solve this issue Remove an image from the gallery and the issue will be resolved for all the images in the gallery. Re-adding the image doesn't cause the issue again.

How to differentiate in an image lightbox (Left side = Used file marked as unused; Right side = Used file marked correctly):

https://static.wikia.nocookie.net/039227c2-bf07-4b81-84f6-e2fa8cc8440d/thumbnail/width/1200/height/1000