Warning: include(vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/illumine/vendor/sabre/dav/examples/minimal.php on line 6

Warning: include(): Failed opening 'vendor/autoload.php' for inclusion (include_path='.:/usr/share/php') in /var/www/illumine/vendor/sabre/dav/examples/minimal.php on line 6

Fatal error: Uncaught Error: Class "Sabre\DAV\Server" not found in /var/www/illumine/vendor/sabre/dav/examples/minimal.php:8 Stack trace: #0 {main} thrown in /var/www/illumine/vendor/sabre/dav/examples/minimal.php on line 8