Warning: require(/customers/4/e/8/zitup.dk/httpd.www/vendor/composer/ClassLoader.php): Failed to open stream: No such file or directory in /customers/4/e/8/zitup.dk/httpd.www/vendor/composer/autoload_real.php on line 12

Fatal error: Uncaught Error: Failed opening required '/customers/4/e/8/zitup.dk/httpd.www/vendor/composer/ClassLoader.php' (include_path='.:/usr/share/php') in /customers/4/e/8/zitup.dk/httpd.www/vendor/composer/autoload_real.php:12
Stack trace:
#0 /customers/4/e/8/zitup.dk/httpd.www/vendor/composer/autoload_real.php(28): ComposerAutoloaderInit4a1b513b29a90f246006a28ad193ba7c::loadClassLoader('Composer\\Autolo...')
#1 /customers/4/e/8/zitup.dk/httpd.www/vendor/autoload.php(25): ComposerAutoloaderInit4a1b513b29a90f246006a28ad193ba7c::getLoader()
#2 /customers/4/e/8/zitup.dk/httpd.www/autoload.php(12): require_once('/customers/4/e/...')
#3 /customers/4/e/8/zitup.dk/httpd.www/index.php(12): include_once('/customers/4/e/...')
#4 {main}
  thrown in /customers/4/e/8/zitup.dk/httpd.www/vendor/composer/autoload_real.php on line 12