Simfiles with No Files???

First of all, I am a new user here. I navigate on Simfiles (both official and custom), and I am very impressed you can make your own banners, bgs and jackets for songs not on DDR yet. But something strange is happening here...
Several custom simfiles (most of them are old) have lost their files (f.ex. ZIP archives), and there is no way to find them in another website, sometimes neither in StepManiaOnline...
A good example is NemeSETUP Sims, created in 2007 and re-uploaded on StepManiaOnline (unluckily the pack's songlist starts in Digitank System)
Is it that the admin decided to delete the files of older simfiles, or is it just a bug?
In case of being the first answer, I need ZIP, RAR, etc. files of the simfile packs whose songs suffer this error. Otherwise, I guess there is a way to re-upload the affected songs' files.
I will be waiting an answer, thank you

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If a file in the database has No Files uploaded, it could be because that person uploaded it as a template and then never finished the file/pack. Just a thing that happens unfortunately.

Edit: I believe this was before you could make individual files private #History

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Hey there, appreciate you trying to check out my original category. Unfortunately, everything from that category was just randomly deleted and I have no idea why. Someone brought this to my attention quite awhile ago through a PM and I honestly never bothered to try to recover them, because the majority of those simfiles were created back when I was a lot younger and weren’t crafted very well lol. But part of me does really miss them. That was back during the time when I was first discovering the wide world of BEMANI, and I also wanted to have some representation for older BEMANI songs that didn’t seem “popular enough” to warrant a simfile creation (that was just my thought process at the time). So again, I have no idea how or why everything in that category was deleted or who may have been responsible for that. Sorry you had to come across it like that.

The long and short of this was that we changed in around 2009 the structure of how we store sims, and this is an unfortunate by-product of it. IIRC the upgrade would lose all of the individual files unless the user had automatically put in a custom ZIP (which we used to do back in the day, the autozip WOULDN'T include any video files to save bandwidth). It's why in my ooooold pre-HyperMix category I have a few still downloadable but the rest, whilst they have all of the database stuff like difficulties and titles, don't have anything tangible to access.

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Ah ok. Even still, my category in question was still “active” at that time. It wasn’t until about last year or so when it was discovered that everything was gone.