What type of hardware are you using: Old laptop or computer
What YunoHost version are you running: 12.0.13
What app is this about: Flarum
Describe your issue
I tried update flarum through the web admin and it failed*, and restoring the pre upgrade archive also fails…
Installing a fresh flarum works though, but i’m not sure if and how i can manually restore it from the tar backup.
*actually it succeeded but then flarum did not load and gave a generic error message