Fatal error: Uncaught Error: Class "Drupal\Core\Field\WidgetBase" not found in /home/.sites/939/site4167048/web/2020/core/modules/path/src/Plugin/Field/FieldWidget/PathWidget.php:21
Stack trace:
#0 {main}
  thrown in /home/.sites/939/site4167048/web/2020/core/modules/path/src/Plugin/Field/FieldWidget/PathWidget.php on line 21