Title: Error adding the post thumbnail feature
Last modified: August 30, 2016

---

# Error adding the post thumbnail feature

 *  Resolved [Joys66](https://wordpress.org/support/users/joys66/)
 * (@joys66)
 * [10 years, 10 months ago](https://wordpress.org/support/topic/error-adding-the-post-thumbnail-feature/)
 * Error in file post-thumbnail.php line 55
    `$iframe_src = get_upload_iframe_src('
   image');` IMHO must be `$iframe_src = get_upload_iframe_src('image',$post_id);`
 * [https://wordpress.org/plugins/nextgen-gallery/](https://wordpress.org/plugins/nextgen-gallery/)

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Plugin Contributor [photocrati](https://wordpress.org/support/users/photocrati/)
 * (@photocrati)
 * [10 years, 10 months ago](https://wordpress.org/support/topic/error-adding-the-post-thumbnail-feature/#post-6376620)
 * [@joys66](https://wordpress.org/support/users/joys66/) – By making this adjustment
   to the plugin’s core code are you correcting the error you are seeing?
 * – Cais.
 *  Thread Starter [Joys66](https://wordpress.org/support/users/joys66/)
 * (@joys66)
 * [10 years, 10 months ago](https://wordpress.org/support/topic/error-adding-the-post-thumbnail-feature/#post-6376650)
 * Yes
 *  Plugin Contributor [photocrati](https://wordpress.org/support/users/photocrati/)
 * (@photocrati)
 * [10 years, 10 months ago](https://wordpress.org/support/topic/error-adding-the-post-thumbnail-feature/#post-6376730)
 * [@joys66](https://wordpress.org/support/users/joys66/) – Thanks for the follow-
   up. I will advise our developers to have a look at this topic.
 * – Cais.
 *  Thread Starter [Joys66](https://wordpress.org/support/users/joys66/)
 * (@joys66)
 * [10 years, 10 months ago](https://wordpress.org/support/topic/error-adding-the-post-thumbnail-feature/#post-6376734)
 * Note:
    The error occurs if you add a thumbnail, then delete and try to add again.
 *  [Benjamin](https://wordpress.org/support/users/benjaminowens/)
 * (@benjaminowens)
 * [10 years, 10 months ago](https://wordpress.org/support/topic/error-adding-the-post-thumbnail-feature/#post-6376750)
 * Thanks Joys66!

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Error adding the post thumbnail feature’ is closed to new replies.

 * ![](https://ps.w.org/nextgen-gallery/assets/icon-256x256.png?rev=2083961)
 * [Photo Gallery, Sliders, Proofing and Themes - NextGEN Gallery](https://wordpress.org/plugins/nextgen-gallery/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/nextgen-gallery/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/nextgen-gallery/)
 * [Active Topics](https://wordpress.org/support/plugin/nextgen-gallery/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/nextgen-gallery/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/nextgen-gallery/reviews/)

 * 5 replies
 * 3 participants
 * Last reply from: [Benjamin](https://wordpress.org/support/users/benjaminowens/)
 * Last activity: [10 years, 10 months ago](https://wordpress.org/support/topic/error-adding-the-post-thumbnail-feature/#post-6376750)
 * Status: resolved