Es gibt z.Z. Probleme mit einem Update, es ist nur Lesen möglich.
Currently there are issues with the installation, readonly possible for now.

MediaWiki:Zip-unsupported

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The file is a ZIP file that uses ZIP features not supported by MediaWiki. It cannot be properly checked for security.

Retrieved from "https://www.jigsaw-wiki.com/wiki/MediaWiki:Zip-unsupported"