Internal server error 9.0.2

There is a FAQ available at [1] for this topic.

Then you should urgently contact digitalocean about this issue. ownCloud 9.0.2 contains various known and public available security vulnerabilities (https://owncloud.org/security/advisories/). Not talking about various bugs fixed in newer versions.

This is nothing what you should run on a system available / reachable from the internet.

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