I’m on macOS High Sierra 10.13.6 (latest version) I get errors like, “File does not exist” and when I check Cryptomator GUI, it shows the drive as mounted.
Bash shell:> mount -a
Reveals the volume is not longer mounted. I have to go into GUI, select Eject -->Mount
Sometimes the GUI shows the error “Connecting Drive failed” even when the drive is mounted.
Which version of cryptomator do you use? On High Sierra it is a known bug using WebDAV that the vaults can unmount under load. (see the issue on github)
Since I use the vault only for plaintext markdown files, there really is no load on the vault.
I can confirm that it only seems to happen when opening files using Vim (ver 8.1) from the command line. Maybe something to do with the way Vim uses .swp and .swo recovery files. Very strange.