d6 > d8 migration - Link field

Cielo@Keiths-MacBook-Pro:~/localhost/drupal8.dev$ drush migrate-manifest --db-url=mysql://root:root@localhost/drupal6 D6Manifest-Node_0.yml
Running d6_node_type                                    [ok]
Running d6_filter_format                                [ok]
Running d6_field_settings                               [ok]
Running d6_field                                        [ok]
Attempt to create a field of unknown type <em        [error]
class="placeholder">link</em>.
(/Applications/MAMP/htdocs/drupal8.dev/core/modules/field/src/Entity/FieldConfig.php:316)
Running d6_field_instance                               [ok]
Running d6_field_instance_widget_settings               [ok]
Running d6_view_modes                                   [ok]
Running d6_field_formatter_settings                     [ok]
Running d6_node_settings                                [ok]
Running d6_node                                         [ok]
Running d6_node_revision                                [ok]
Running d6_cck_field_values:page                        [ok]
Running d6_cck_field_values:story                       [ok]
Running d6_cck_field_revision:page                      [ok]
Migration d6_cck_field_revision:page did not meet the   [error]
requirements
Running d6_cck_field_revision:story                     [ok]
Migration d6_cck_field_revision:story did not meet the  [error]
requirements