Nextcloud version (eg, 12.0.2): 15.0.4
Operating system and version (eg, Ubuntu 17.04): debian 9 stretch
Apache or nginx version (eg, Apache 2.4.25): nginx/1.14.3
PHP version (eg, 7.1): 7.3.1
The issue you are facing: Nextcloud is missing PHP imagick.
Is this the first time you’ve seen this error? (Y/N): Y
I need some assistance to get imagick for PHP 7.3 and no idea how to get it installed. Can find it for version 7 and beneath but not for 7.3. Any idea how to get it installed?