Warning: require(/var/www/html/drupal-9/vendor/composer/../../core/includes/bootstrap.inc): Failed to open stream: No such file or directory in /var/www/html/drupal-9/vendor/composer/autoload_real.php on line 57

Fatal error: Uncaught Error: Failed opening required '/var/www/html/drupal-9/vendor/composer/../../core/includes/bootstrap.inc' (include_path='/var/www/html/drupal-9/vendor/civicrm/civicrm-core/vendor/tecnickcom:/var/www/html/drupal-9/vendor/pear/archive_tar:/var/www/html/drupal-9/vendor/pear/auth_sasl:/var/www/html/drupal-9/vendor/pear/console_getopt:/var/www/html/drupal-9/vendor/pear/db:/var/www/html/drupal-9/vendor/pear/log:/var/www/html/drupal-9/vendor/pear/mail:/var/www/html/drupal-9/vendor/pear/mail_mime:/var/www/html/drupal-9/vendor/pear/net_smtp:/var/www/html/drupal-9/vendor/pear/net_socket:/var/www/html/drupal-9/vendor/pear/pear-core-minimal/src:/var/www/html/drupal-9/vendor/pear/pear_exception:/var/www/html/drupal-9/vendor/pear/validate_finance_creditcard:.:/usr/share/pear:/usr/share/php:/usr/share/pear:/usr/share/php') in /var/www/html/drupal-9/vendor/composer/autoload_real.php:57 Stack trace: #0 /var/www/html/drupal-9/vendor/composer/autoload_real.php(40): composerRequire4e295d537bf8e4220f5cd2a192b17af2('2f69d3914119f04...', '/var/www/html/d...') #1 /var/www/html/drupal-9/vendor/autoload.php(12): ComposerAutoloaderInit4e295d537bf8e4220f5cd2a192b17af2::getLoader() #2 /var/www/html/drupal-9/autoload.php(16): require('/var/www/html/d...') #3 /var/www/html/drupal-9/index.php(14): require_once('/var/www/html/d...') #4 {main} thrown in /var/www/html/drupal-9/vendor/composer/autoload_real.php on line 57