Title: Console errors
Last modified: February 20, 2026

---

# Console errors

 *  Resolved [Tim](https://wordpress.org/support/users/timwakeling-1/)
 * (@timwakeling-1)
 * [3 months, 2 weeks ago](https://wordpress.org/support/topic/console-errors-36/)
 * With this plugin enabled (and at version 3.3.8) I am getting the following errors
   in the console and JS on the page is breaking. Any ideas? Thanks!
 *     ```wp-block-code
       jQuery.Deferred exception: this.$widget.gs_isotope is not a function TypeError: this.$widget.gs_isotope is not a functionat GS_Testimonial_filter_by.initIsotope (https://summitfundraising.co.uk/wp-content/plugins/gs-testimonial/assets/js/public.min.js?ver=3.3.8:375:42)at new GS_Testimonial_filter_by (https://summitfundraising.co.uk/wp-content/plugins/gs-testimonial/assets/js/public.min.js?ver=3.3.8:355:12)at ce.gs_testimonial_filter_by (https://summitfundraising.co.uk/wp-content/plugins/gs-testimonial/assets/js/public.min.js?ver=3.3.8:421:14)at HTMLDivElement. (https://summitfundraising.co.uk/wp-content/plugins/gs-testimonial/assets/js/public.min.js?ver=3.3.8:434:16)at ce.each (https://summitfundraising.co.uk/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:3129)at ce.each (https://summitfundraising.co.uk/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:1594)at gs_testimonial_do_filter_by (https://summitfundraising.co.uk/wp-content/plugins/gs-testimonial/assets/js/public.min.js?ver=3.3.8:433:25)at gs_testimonial_widget_single_init (https://summitfundraising.co.uk/wp-content/plugins/gs-testimonial/assets/js/public.min.js?ver=3.3.8:457:4)at HTMLDivElement. (https://summitfundraising.co.uk/wp-content/plugins/gs-testimonial/assets/js/public.min.js?ver=3.3.8:491:4)at ce.each (https://summitfundraising.co.uk/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:3129) undefined(anonymous) @ jquery.min.js?ver=3.7.1:2(anonymous) @ jquery.min.js?ver=3.7.1:2jquery.min.js?ver=3.7.1:2 Uncaught TypeError: this.$widget.gs_isotope is not a functionat GS_Testimonial_filter_by.initIsotope (public.min.js?ver=3.3.8:375:42)at new GS_Testimonial_filter_by (public.min.js?ver=3.3.8:355:12)at ce.gs_testimonial_filter_by (public.min.js?ver=3.3.8:421:14)at HTMLDivElement. (public.min.js?ver=3.3.8:434:16)at ce.each (jquery.min.js?ver=3.7.1:2:3129)at ce.each (jquery.min.js?ver=3.7.1:2:1594)at gs_testimonial_do_filter_by (public.min.js?ver=3.3.8:433:25)at gs_testimonial_widget_single_init (public.min.js?ver=3.3.8:457:4)at HTMLDivElement. (public.min.js?ver=3.3.8:491:4)at ce.each (jquery.min.js?ver=3.7.1:2:3129)(anonymous) @ public.min.js?ver=3.3.8:375GS_Testimonial_filter_by @ public.min.js?ver=3.3.8:355(anonymous) @ public.min.js?ver=3.3.8:421(anonymous) @ public.min.js?ver=3.3.8:434each @ jquery.min.js?ver=3.7.1:2each @ jquery.min.js?ver=3.7.1:2gs_testimonial_do_filter_by @ public.min.js?ver=3.3.8:433gs_testimonial_widget_single_init @ public.min.js?ver=3.3.8:457(anonymous) @ public.min.js?ver=3.3.8:491each @ jquery.min.js?ver=3.7.1:2each @ jquery.min.js?ver=3.7.1:2(anonymous) @ public.min.js?ver=3.3.8:481(anonymous) @ public.min.js?ver=3.3.8:501e @ jquery.min.js?ver=3.7.1:2(anonymous) @ jquery.min.js?ver=3.7.1:2public.min.js?ver=3.3.8:375 Uncaught TypeError: this.$widget.gs_isotope is not a functionat GS_Testimonial_filter_by.initIsotope (public.min.js?ver=3.3.8:375:42)at new GS_Testimonial_filter_by (public.min.js?ver=3.3.8:355:12)at ce.gs_testimonial_filter_by (public.min.js?ver=3.3.8:421:14)at HTMLDivElement. (public.min.js?ver=3.3.8:434:16)at ce.each (jquery.min.js?ver=3.7.1:2:3129)at ce.each (jquery.min.js?ver=3.7.1:2:1594)at gs_testimonial_do_filter_by (public.min.js?ver=3.3.8:433:25)at gs_testimonial_widget_single_init (public.min.js?ver=3.3.8:457:4)at HTMLDivElement. (public.min.js?ver=3.3.8:491:4)at ce.each (jquery.min.js?ver=3.7.1:2:3129)(anonymous) @ public.min.js?ver=3.3.8:375GS_Testimonial_filter_by @ public.min.js?ver=3.3.8:355(anonymous) @ public.min.js?ver=3.3.8:421(anonymous) @ public.min.js?ver=3.3.8:434each @ jquery.min.js?ver=3.7.1:2each @ jquery.min.js?ver=3.7.1:2gs_testimonial_do_filter_by @ public.min.js?ver=3.3.8:433gs_testimonial_widget_single_init @ public.min.js?ver=3.3.8:457(anonymous) @ public.min.js?ver=3.3.8:491each @ jquery.min.js?ver=3.7.1:2each @ jquery.min.js?ver=3.7.1:2(anonymous) @ public.min.js?ver=3.3.8:481(anonymous) @ public.min.js?ver=3.3.8:516dispatch @ jquery.min.js?ver=3.7.1:2ce.event.add.v.handle @ jquery.min.js?ver=3.7.1:2public.min.js?ver=3.3.8:375 Uncaught TypeError: this.$widget.gs_isotope is not a functionat GS_Testimonial_filter_by.initIsotope (public.min.js?ver=3.3.8:375:42)at new GS_Testimonial_filter_by (public.min.js?ver=3.3.8:355:12)at ce.gs_testimonial_filter_by (public.min.js?ver=3.3.8:421:14)at HTMLDivElement. (public.min.js?ver=3.3.8:434:16)at ce.each (jquery.min.js?ver=3.7.1:2:3129)at ce.each (jquery.min.js?ver=3.7.1:2:1594)at gs_testimonial_do_filter_by (public.min.js?ver=3.3.8:433:25)at gs_testimonial_widget_single_init (public.min.js?ver=3.3.8:457:4)at HTMLDivElement. (public.min.js?ver=3.3.8:491:4)at ce.each (jquery.min.js?ver=3.7.1:2:3129)
       ```
   
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fconsole-errors-36%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Contributor [Md. Sarwar Zaman](https://wordpress.org/support/users/itszaman/)
 * (@itszaman)
 * [3 months, 2 weeks ago](https://wordpress.org/support/topic/console-errors-36/#post-18828453)
 * Hi Tim,
 * Sorry for the inconveniences.
 * Please allow time to fix and release a new version.
 * Sarwar
 *  Plugin Contributor [Md. Sarwar Zaman](https://wordpress.org/support/users/itszaman/)
 * (@itszaman)
 * [3 months, 2 weeks ago](https://wordpress.org/support/topic/console-errors-36/#post-18830054)
 * Hi Tim,
 * We have released a new version specifically for you.
 * **Version 3.3.9 – Feb 23, 2026**
   – [Fixed]: Console Errors.– [Fixed]: Warnings
   on Shortcode Preview.
 * Please update to the latest version & let us know.
 * Regards, Sarwar
 *  Thread Starter [Tim](https://wordpress.org/support/users/timwakeling-1/)
 * (@timwakeling-1)
 * [3 months, 2 weeks ago](https://wordpress.org/support/topic/console-errors-36/#post-18830967)
 * That appears have sorted the console errors out. Thank you!

Viewing 3 replies - 1 through 3 (of 3 total)

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 * 5 replies
 * 2 participants
 * Last reply from: [Tim](https://wordpress.org/support/users/timwakeling-1/)
 * Last activity: [3 months, 2 weeks ago](https://wordpress.org/support/topic/console-errors-36/#post-18830967)
 * Status: resolved