Deprecated: Optional parameter $required declared before required parameter $element_options is implicitly treated as a required parameter in /home/www/drupal8/test/modules/webform/src/Plugin/WebformHandler/EmailWebformHandler.php on line 1388

Fatal error: Uncaught Error: Class "Drupal\webform\Plugin\WebformHandlerBase" not found in /home/www/drupal8/test/modules/webform/src/Plugin/WebformHandler/EmailWebformHandler.php:49 Stack trace: #0 {main} thrown in /home/www/drupal8/test/modules/webform/src/Plugin/WebformHandler/EmailWebformHandler.php on line 49