Warning: Constant DATE_RFC7231 already defined in /var/www/web28992333/html/2020/includes/bootstrap.inc on line 258

Fatal error: During inheritance of PDO: Uncaught ArgumentCountError: Too few arguments to function _drupal_error_handler(), 4 passed in /var/www/web28992333/html/2020/includes/theme.maintenance.inc on line 42 and exactly 5 expected in /var/www/web28992333/html/2020/includes/bootstrap.inc:2317 Stack trace: #0 /var/www/web28992333/html/2020/includes/theme.maintenance.inc(42): _drupal_error_handler(8192, 'Return type of ...', '/var/www/web289...', 1294) #1 /var/www/web28992333/html/2020/includes/theme.maintenance.inc(42): require_once() #2 /var/www/web28992333/html/2020/includes/bootstrap.inc(2600): _drupal_maintenance_theme() #3 /var/www/web28992333/html/2020/includes/errors.inc(179): drupal_maintenance_theme() #4 /var/www/web28992333/html/2020/includes/bootstrap.inc(2337): _drupal_log_error(Array, true) #5 [internal function]: _drupal_exception_handler(Object(ArgumentCountError)) #6 {main} in /var/www/web28992333/html/2020/includes/database/database.inc on line 187