How do I fix "Project Invalid"?

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- _FlameSlayed_
- - Joined 17 Nov, 2022
  - 7 topics • 12 posts
- 1
- 29 Oct, 2023
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I'm pretty sure that I'm not the only one having this issue. Every time I try to open my project, it pops up the same message every time:

I have had this problem for 3 months now, and this is my beloved project that I have worked on for years. I cannot lose it now.

I have tried to rename c3p to zip and then unpack it, but that didn't work.

Can anyone help with this?
- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,557 posts
- 1
- 30 Oct, 2023
- Quote
Have you tried 7zip?

If 7zip can't unpack your project, then it's broken beyond repair. Move on and don't forget to back up your work in the future.
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- _FlameSlayed_
- - Joined 17 Nov, 2022
  - 7 topics • 12 posts
- 1
- 30 Oct, 2023
- Quote
yes, 7zip tells me that the file is not an archive, so it cannot be unpacked. Thanks anyways
- Chadori
- - Joined 10 Oct, 2014
  - 158 topics • 1,942 posts
- 1
- 30 Oct, 2023
- Quote
_FlameSlayed_, press OK and F12 on the editor, screenshot the log, then upload it here, and I'll try to debug it.
Whenever I get file corruption like this, I always get it repaired. In the worst-case scenario, though, as long as you have at least one backup within the month, it would only be an issue with swapping missing or corrupted files, so you would still be able to recover most of your progress.

However, even if you don't have a backup, as long as the file size didn't significantly change, chances are it is still salvageable, depending on the log.