<br />
<b>Warning</b>:  require(/var/www/zenzeroshop.it/vendor/magento/module-catalog/registration.php): Failed to open stream: No such file or directory in <b>/var/www/zenzeroshop.it/vendor/composer/autoload_real.php</b> on line <b>45</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Failed opening required '/var/www/zenzeroshop.it/vendor/composer/../magento/module-catalog/registration.php' (include_path='/var/www/zenzeroshop.it/vendor/magento/zendframework1/library:.:/usr/local/lib/php') in /var/www/zenzeroshop.it/vendor/composer/autoload_real.php:45
Stack trace:
#0 /var/www/zenzeroshop.it/vendor/composer/autoload_real.php(49): {closure}('525ee31af564818...', '/var/www/zenzer...')
#1 /var/www/zenzeroshop.it/vendor/autoload.php(22): ComposerAutoloaderInit6cebb92ed4189438cb347836dae55fdb::getLoader()
#2 /var/www/zenzeroshop.it/app/autoload.php(51): include('/var/www/zenzer...')
#3 /var/www/zenzeroshop.it/app/bootstrap.php(33): require_once('/var/www/zenzer...')
#4 /var/www/zenzeroshop.it/pub/get.php(20): require('/var/www/zenzer...')
#5 {main}
  thrown in <b>/var/www/zenzeroshop.it/vendor/composer/autoload_real.php</b> on line <b>45</b><br />