Fatal error: During inheritance of PDO: Uncaught ArgumentCountError: Too few arguments to function _drupal_error_handler(), 4 passed in /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/includes/bootstrap.inc on line 2754 and exactly 5 expected in /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/includes/bootstrap.inc:2601 Stack trace: #0 /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/includes/bootstrap.inc(2754): _drupal_error_handler(8192, 'Return type of ...', '/is/htdocs/wp10...', 1317) #1 /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/includes/bootstrap.inc(2754): require_once() #2 /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/includes/bootstrap.inc(2528): _drupal_bootstrap_database() #3 /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/includes/bootstrap.inc(2673): drupal_bootstrap(3, false) #4 /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/includes/bootstrap.inc(2524): _drupal_bootstrap_page_cache() #5 /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/index.php(20): drupal_bootstrap(7) #6 {main} in /is/htdocs/wp1049725_QS0AUSODVR/www/web-2016/includes/database/database.inc on line 187