Fatal error: Uncaught RuntimeException: Unable to load ZF2. Run `php composer.phar install` or define a ZF2_PATH environment variable. in /var/www/virtual/nicht-existent.de/htdocs/init_autoloader.php:51 Stack trace: #0 /var/www/virtual/nicht-existent.de/htdocs/public/index.php(19): require() #1 {main} thrown in /var/www/virtual/nicht-existent.de/htdocs/init_autoloader.php on line 51