CS50 Codespace - 404 page when trying to access most recent files

[Meanderling]

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I'm trying to locate some files that are missing from my CS50 Codespace. I used to be able to access all of my working files and submissions via URL, but now that same URL only gives me a Github 404 page and I have no idea why??

I've looked into possible reasons and various discussion threads, but nothing seems to fit and no solutions (ie recreating the Codespace, logging out/in, viewing in a different browser, clearing cache, etc) have helped. I thought it might have something to do with the CS50 Codespace issue back in Feb, but my account Overview shows contributions throughout Feb, right up to March 6th, but then nothing at all until May 20th. However, I submitted the 3 tasks in 'Problem Set 8' on the 17th, 19th and 20th May (all visible via submit.cs50.io), so there should have been activity during that period.

Does anyone have any idea what might have happened to the missing files or how to get them back? I did submit this as a question previously, but was trying to keep my question concise and didn't mention the 404 and didn't receive any replies. However, it might have information useful in diagnosing the issue, as any help would be gratefully received...coz I'm well and truly stuck :(

[borj404]

Not sure, but you should be able to access your submissions through this link: https://github.com/me50/Meanderling/tags

[Meanderling]

Hi @borj404

Thanks for replying!

Yep, I can see my submissions (in github & submit.cs50.io), but I'm missing all my 'working' files with all the notes I've made throughout the course. I'm also missing all the work I'd done on the Final Project (Problem Set 9), which was pretty much finished - I just needed to tidy up & do the video so I could submit it... :(

It's weird that it's all disappeared...where's that time machine when you need it?!

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[weed35937]

Hi, I can help you leave some methods. But if these methods don't work, then I can't do it either.
You can check if your repository still exists on GitHub. If you’re getting a 404 error, it might mean the repo was deleted or made private. Try logging into GitHub directly and checking under Your Repositories to see if it’s still listed.
If the repository is missing, you should check your email for any deletion notifications from GitHub or CS50. Sometimes, repositories are removed due to inactivity or storage policies.
If the repo exists but you lost access, check the repository settings or ownership. If it was linked to your CS50 account, it’s possible CS50 might have restricted access or archived it. In that case, visit submit.cs50.io and see if you can still view or download your submissions.
If nothing works, you might need to reach out to CS50 support on their Ed Discussion forum or email them directly.
Don't worry. One day your headache will be solved.
Regrads