Corrupted file

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Hello,
So I've been working on a project for hours.

I was working on this file, then LMMS froze for a second and some shortcuts (ctrl+drag) didnt work, so I saved, closed it and restarted it to find that the file is now completely empty with no tracks.
I went to check my project files hoping to restore its backup .bak file, but both the project and backup file is now 1.92KB
So theyre corrupted.

Is there anything I can do to repair this file...
I really dont want to lose what I've done (many many hours) and theres no way I can remember exactly what I did to recreate it...

I would really appreciate any help.

Update: Would it be possible to recover this with a file from Temp? There are several LMMS files that correspond to previous save times at 33KB.
(I'm not too familiar with technical details so I'm not sure if this is even a possibility)
9696 wrote:
Fri Aug 10, 2018 8:14 pm
possible to recover this with a file from Temp? There are several LMMS files that correspond to previous save times at 33KB.
Maby, but no guarantee. Collect all the files from TEMP corresponding to the timeslot, and zip them, then upload to a fileshare, and send me the link in PM. I will give it a try