disqus_importer ERROR

Unable to create comment with empty NID.
Original item

array()

Entity

(object) array(
  'cid' => 588510876,
  'pid' => 0,
  'nid' => 0,
  'uid' => 0,
  'node_type' => 'comment_node_articles',
  'hostname' => '127.0.0.1',
  'created' => 1451563073,
  'changed' => 1451563073,
  'language' => 'und',
  'name' => 'Carlos Cámara',
  'mail' => '',
  'subject' => '',
  'feeds_is_new' => TRUE,
  'thread' => '',
)