Fatal error: Uncaught Error: Class "Drupal\migrate_drupal\Plugin\migrate\cckfield\CckFieldPluginBase" not found in /home/www/drupal8/test/core/modules/taxonomy/src/Plugin/migrate/cckfield/TaxonomyTermReference.php:26
Stack trace:
#0 {main}
thrown in /home/www/drupal8/test/core/modules/taxonomy/src/Plugin/migrate/cckfield/TaxonomyTermReference.php on line 26