Expanded class hierarchy of PluginNotFoundException in Plug 7
- class \Drupal\Component\Plugin\Exception\PluginException extends \Drupal\Component\Plugin\Exception\Exception implements ExceptionInterface
- class \Drupal\Component\Plugin\Exception\InvalidDeriverException
- class \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
- class \Drupal\Component\Plugin\Exception\PluginNotFoundException