Hi @ArtistOfPain, welcome to the forums and thank you for reaching out!
We’ve forwarded the information you’ve shared to our team, we’re currently aware of the issue and it’s being looked into.
Did you check your Event Log for any relevant messages?
If you have PS+, did you try to load a backup from the PSN cloud?
As a preventive measure, we’d also suggest performing periodic backups of your save files to a pendrive.