Warning: require(/usr/home/hiws/domains/hiws.eu.org/public_html/vendor/composer/../../core/includes/bootstrap.inc): Failed to open stream: No such file or directory in /usr/home/hiws/domains/hiws.eu.org/public_html/vendor/composer/autoload_real.php on line 45

Fatal error: Uncaught Error: Failed opening required '/usr/home/hiws/domains/hiws.eu.org/public_html/vendor/composer/../../core/includes/bootstrap.inc' (include_path='/usr/home/hiws/domains/hiws.eu.org/public_html/vendor/pear/archive_tar:/usr/home/hiws/domains/hiws.eu.org/public_html/vendor/pear/console_getopt:/usr/home/hiws/domains/hiws.eu.org/public_html/vendor/pear/pear-core-minimal/src:/usr/home/hiws/domains/hiws.eu.org/public_html/vendor/pear/pear_exception:.:/usr/local/share/pear') in /usr/home/hiws/domains/hiws.eu.org/public_html/vendor/composer/autoload_real.php:45
Stack trace:
#0 /usr/home/hiws/domains/hiws.eu.org/public_html/vendor/composer/autoload_real.php(49): {closure}('2f69d3914119f04...', '/usr/home/hiws/...')
#1 /usr/home/hiws/domains/hiws.eu.org/public_html/vendor/autoload.php(25): ComposerAutoloaderInit4b6344e297196cc4b3da3288d1693c52::getLoader()
#2 /usr/home/hiws/domains/hiws.eu.org/public_html/autoload.php(16): require('/usr/home/hiws/...')
#3 /usr/home/hiws/domains/hiws.eu.org/public_html/index.php(14): require_once('/usr/home/hiws/...')
#4 {main}
  thrown in /usr/home/hiws/domains/hiws.eu.org/public_html/vendor/composer/autoload_real.php on line 45