https://drive.google.com/file/d/1YB8pYxS0mdCQgmfhO8c5OGQpFLQWfHhW/view?usp=sharing
I uploaded the backup to Google drive, hopefully you can access it.
Yes, it is still an issue in 1.13. I tried to load my backup as well and it's still corrupted. What should I do now?
https://drive.google.com/file/d/1YB8pYxS0mdCQgmfhO8c5OGQpFLQWfHhW/view?usp=sharing
I uploaded the backup to Google drive, hopefully you can access it.