Theme -> Forum Icons -> Image Icon NOT Deleting

[Don Ruth]

So here is the steps- maybe someone can reproduce?

Use default icons no uploaded files - everything is fine
Upload "testbackground.png" @ 50B, unread/read icons and save - everything is fine
Delete uploaded icons and save - everything is fine
Go back to the forum icons to tweak something, 0B images are there, click delete and save - breaks icons (breaks them even if you don't delete them again)
Go back to forum icons a second time and delete the 0B images and save - everything is fine but spits out a 404 error on the image when inspecting page

*And they never delete, if I upload a new icon and then delete it, it produces the same result of 0B placeholder and same issues.

Possible bug or just me and my configuration? Any help?