Hi, newbie here! I just installed Cryptomator on my Android tablet, linked it to my Google Drive, and moved files into the encrypted storage. All worked well until I closed the Cryptomator app. When I opened it again and tried to enter my PW, it said “An error has occurred”, and would not open the encrypted storage. I can Remove the file from Cryptomator,then reconnect to Google Drive, and all is well. Surely I don’t have to Remove and reconnect every time I close Cryptomator? What am I doing wrong?
Hi and welcome to the Cryptomator Community 
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Can you please enable debug mode, reproduce the problem and send us the log file?
Thanks for your logs.
The problem is that your vault name contains the character ', which breaks requests to Google Drive when the app is restarted. This is a known issue, but unfortunately we have not yet fixed it. See Vaults that contain a `'` character in the name can be added but not unlocked after killing and restarting the app · Issue #399 · cryptomator/android · GitHub for further information.
To work around this issue, rename your vault from e.g. Foo's Bar to Foo Bar, and everything will work again.