Title: [Plugin: Submittable] Fatal Error Using shortcode
Last modified: August 20, 2016

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# [Plugin: Submittable] Fatal Error Using shortcode

 *  [rfpradio.com](https://wordpress.org/support/users/rfpradiocom/)
 * (@rfpradiocom)
 * [13 years, 7 months ago](https://wordpress.org/support/topic/plugin-submittable-fatal-error-using-shortcode/)
 * Fatal error: Call to undefined method WP_Error::set_cache_duration() in /wp-content/
   plugins/submission-manager-by-submittable/submittable.php on line 322
 * How to fix?
 * [http://wordpress.org/extend/plugins/submission-manager-by-submittable/](http://wordpress.org/extend/plugins/submission-manager-by-submittable/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [cskelly](https://wordpress.org/support/users/cskelly/)
 * (@cskelly)
 * [13 years, 4 months ago](https://wordpress.org/support/topic/plugin-submittable-fatal-error-using-shortcode/#post-3095273)
 * The issue is when putting in the submittable subdomain, you must ONLY enter the
   subdomain, NOT the full URL.
 * So if your submittable subdomain is rfpradio.submittable.com then you would only
   enter rfpradio into the field in the plug in settings.
 *  [DPoncy](https://wordpress.org/support/users/dponcy/)
 * (@dponcy)
 * [13 years, 3 months ago](https://wordpress.org/support/topic/plugin-submittable-fatal-error-using-shortcode/#post-3095281)
 * I’m getting this suddenly over the last couple of days:
 * Fatal error: Cannot redeclare return_30() (previously declared in /home/fictionworks/
   public_html/wp-content/plugins/submission-manager-by-submittable/submittable.
   php:320) in /home/fictionworks/public_html/wp-content/plugins/submission-manager-
   by-submittable/submittable.php on line 320
 * Any help would be appreciated.
 * WP 3.5.1, Submittable 1.0.7

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘[Plugin: Submittable] Fatal Error Using shortcode’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/submission-manager-by-submittable_977a6a.
   svg)
 * [Submittable](https://wordpress.org/plugins/submission-manager-by-submittable/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/submission-manager-by-submittable/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/submission-manager-by-submittable/)
 * [Active Topics](https://wordpress.org/support/plugin/submission-manager-by-submittable/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/submission-manager-by-submittable/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/submission-manager-by-submittable/reviews/)

 * 2 replies
 * 3 participants
 * Last reply from: [DPoncy](https://wordpress.org/support/users/dponcy/)
 * Last activity: [13 years, 3 months ago](https://wordpress.org/support/topic/plugin-submittable-fatal-error-using-shortcode/#post-3095281)
 * Status: not resolved