Nextcloud Acts Like I'm Trying to Reinstall But I'm Not. Says Missing "CAN_INSTALL" Error

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Or for longer, use three backticks above and below the code snippet:


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Nextcloud version (eg, 20.0.5): replace me
Operating system and version (eg, Ubuntu 20.04): replace me
Apache or nginx version (eg, Apache 2.4.25): replace me
PHP version (eg, 7.4): replace me

The issue you are facing: Nextcloud randomly shows an error when I try to access it. “Error
It looks like you are trying to reinstall your Nextcloud. However the file CAN_INSTALL is missing from your config directory. Please create the file CAN_INSTALL in your config folder to continue.”
I am not trying to reinstall Nextcloud, I’ve just been using it normally for several months now. I was able to restore a backup on Linode to get rid of the error but it came back several hours later.

2022-03-17 09_34_05-Nextcloud — Mozilla Firefox

Is this the first time you’ve seen this error? (Y/N): Yes

Steps to replicate it:

The output of your Nextcloud log in Admin > Logging:

Can't Access (or I don't know how without logging into Nextcloud, Maybe SSH would work?

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

Not sure how to get that.

The output of your Apache/nginx/system log in /var/log/____:

Not sure how to get that.

Yes, with ssh you are able to access your logfiles:

Something makes Nextcloud think that there is no current setup, perhaps the data storage (external disk?) is not mounted? Or database problem?