You're missing php-curl (or it's installed but the module is disabled). I'd double-check that you have all of the dependencies of NextCloud installed[1], becaus

You're missing php-curl (or it's installed but the module is disabled). I'd double-check that you have all of the dependencies of NextCloud installed[1], because php-curl is one of the required dependencies. [1]: https://docs.nextcloud.com/server/21/admin_manual/installation/source_installation.html https://docs.nextcloud.com/server/21/admin_manual/installati...