Integrity constraint violation: 1062 Duplicate entry 'application__file_styles_square_thumbnail__file_field_styles_fil

On install I get the following error:

PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'application__file_styles_square_thumbnail__file_field_styles_fil' for key 'PRIMARY': INSERT INTO {file_display} (name, weight, status, settings) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3); Array ( [:db_insert_placeholder_0] => application__file_styles_square_thumbnail__file_field_styles_file_square_thumbnail [:db_insert_placeholder_1] => 0 [:db_insert_placeholder_2] => 1 [:db_insert_placeholder_3] => N; ) in drupal_write_record() (line 7020 of /var/aegir/platforms/7/servers/drupal-7.14/includes/common.inc).