Fatal error: During inheritance of PDO: Uncaught ArgumentCountError: Too few arguments to function _drupal_error_handler(), 4 passed in /customers/c/4/5/therapiespel.be/httpd.www/includes/theme.maintenance.inc on line 42 and exactly 5 expected in /customers/c/4/5/therapiespel.be/httpd.www/includes/bootstrap.inc:2589 Stack trace: #0 /customers/c/4/5/therapiespel.be/httpd.www/includes/theme.maintenance.inc(42): _drupal_error_handler(8192, 'Return type of ...', '/customers/c/4/...', 1317) #1 /customers/c/4/5/therapiespel.be/httpd.www/includes/theme.maintenance.inc(42): require_once() #2 /customers/c/4/5/therapiespel.be/httpd.www/includes/bootstrap.inc(2876): _drupal_maintenance_theme() #3 /customers/c/4/5/therapiespel.be/httpd.www/includes/errors.inc(179): drupal_maintenance_theme() #4 /customers/c/4/5/therapiespel.be/httpd.www/includes/bootstrap.inc(2609): _drupal_log_error(Array, true) #5 [internal function]: _drupal_exception_handler(Object(ArgumentCountError)) #6 {main} in /customers/c/4/5/therapiespel.be/httpd.www/includes/database/database.inc on line 0