I encountered an error where the Projects Media Tab disappeared, then when it re-appeared all of the video thumbnail images were gone and in its place were grey boxes instead. Also, a pink/salmon colored background appeared behind all the thumbnails, which I've never seen before. In addition, whenever I clicked into the project media tab, vegas pro would freeze then I would have to shut it down. I've never ever encountered this before at all and I have no solution for it. I've searched the internet, YouTube high & low to no avail. I've even uninstalled Vegas Pro 18 and re-installed it and it still comes up with the same exact error.
Here is a link to my problem via Vimeo: https://vimeo.com/529463947/d5430daf11
(If you don't see anything yet on the link it's because the video is still uploading to Vimeo; please standby, thank you!)