Fatal error: During inheritance of PDO: Uncaught ArgumentCountError: Too few arguments to function _drupal_error_handler(), 4 passed in /home/les/www/www/includes/bootstrap.inc on line 2461 and exactly 5 expected in /home/les/www/www/includes/bootstrap.inc:2311 Stack trace: #0 /home/les/www/www/includes/bootstrap.inc(2461): _drupal_error_handler(8192, 'Return type of ...', '/home/les/www/w...', 1291) #1 /home/les/www/www/includes/bootstrap.inc(2461): require_once() #2 /home/les/www/www/includes/bootstrap.inc(2238): _drupal_bootstrap_database() #3 /home/les/www/www/includes/bootstrap.inc(2380): drupal_bootstrap(3, false) #4 /home/les/www/www/includes/bootstrap.inc(2234): _drupal_bootstrap_page_cache() #5 /home/les/www/www/index.php(20): drupal_bootstrap(7) #6 {main} in /home/les/www/www/includes/database/database.inc on line 184