Warning: require(/var/www/html/abdul/drupal/vendor/composer/../symfony/deprecation-contracts/function.php): Failed to open stream: No such file or directory in /var/www/html/abdul/drupal/vendor/composer/autoload_real.php on line 45

Fatal error: Uncaught Error: Failed opening required '/var/www/html/abdul/drupal/vendor/composer/../symfony/deprecation-contracts/function.php' (include_path='/var/www/html/abdul/drupal/vendor/pear/archive_tar:/var/www/html/abdul/drupal/vendor/pear/console_getopt:/var/www/html/abdul/drupal/vendor/pear/pear-core-minimal/src:/var/www/html/abdul/drupal/vendor/pear/pear_exception:.:/usr/share/php') in /var/www/html/abdul/drupal/vendor/composer/autoload_real.php:45 Stack trace: #0 /var/www/html/abdul/drupal/vendor/composer/autoload_real.php(49): {closure}() #1 /var/www/html/abdul/drupal/vendor/autoload.php(22): ComposerAutoloaderInit290fb7ac605c07117cdb2c74452fcf82::getLoader() #2 /var/www/html/abdul/drupal/autoload.php(15): require('...') #3 /var/www/html/abdul/drupal/index.php(14): require_once('...') #4 {main} thrown in /var/www/html/abdul/drupal/vendor/composer/autoload_real.php on line 45