● php7.3-fpm.service - The PHP 7.3 FastCGI Process Manager
   Loaded: loaded (/lib/systemd/system/php7.3-fpm.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Tue 2020-07-14 20:20:43 BST; 2min 12s ago
     Docs: man:php-fpm7.3(8)
  Process: 30695 ExecStart=/usr/sbin/php-fpm7.3 --nodaemonize --fpm-config /etc/php/7.3/fpm/php-fpm.conf (code=exited, status=78)
 Main PID: 30695 (code=exited, status=78)

Jul 14 20:20:42 nextcloudpi systemd[1]: Starting The PHP 7.3 FastCGI Process Manager...
Jul 14 20:20:42 nextcloudpi php-fpm7.3[30695]: Cannot load Zend OPcache - it was already loaded
Jul 14 20:20:43 nextcloudpi php-fpm7.3[30695]: [14-Jul-2020 20:20:43] ERROR: unable to bind listening socket for address '/run/php/php7.3-fpm.sock': No such file or directory (2)
Jul 14 20:20:43 nextcloudpi php-fpm7.3[30695]: [14-Jul-2020 20:20:43] ERROR: FPM initialization failed
Jul 14 20:20:43 nextcloudpi systemd[1]: php7.3-fpm.service: Main process exited, code=exited, status=78/CONFIG
Jul 14 20:20:43 nextcloudpi systemd[1]: php7.3-fpm.service: Failed with result 'exit-code'.
Jul 14 20:20:43 nextcloudpi systemd[1]: Failed to start The PHP 7.3 FastCGI Process Manager.