Title: Console errors
Last modified: December 20, 2023

---

# Console errors

 *  Resolved [Chuckie](https://wordpress.org/support/users/ajtruckle/)
 * (@ajtruckle)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/)
 * Do you know why I get these console errors?
 *     ```wp-block-code
       jquery.min.js?ver=3.7.1:2 jQuery.Deferred exception: Cannot read properties of undefined (reading 'addClass') TypeError: Cannot read properties of undefined (reading 'addClass')
           at Wpcf7cfForm.displayFields (https://www.publictalksoftware.co.uk/wp-content/cache/autoptimize/js/autoptimize_e817f69e9a28856f1ed2938b695bfe92.js:483:14)
           at https://www.publictalksoftware.co.uk/wp-content/cache/autoptimize/js/autoptimize_e817f69e9a28856f1ed2938b695bfe92.js:539:1565
           at Array.forEach (<anonymous>)
           at HTMLDocument.<anonymous> (https://www.publictalksoftware.co.uk/wp-content/cache/autoptimize/js/autoptimize_e817f69e9a28856f1ed2938b695bfe92.js:539:1543)
           at e (https://www.publictalksoftware.co.uk/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:27028)
           at t (https://www.publictalksoftware.co.uk/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:27330) undefined
       ce.Deferred.exceptionHook @ jquery.min.js?ver=3.7.1:2
       t @ jquery.min.js?ver=3.7.1:2
       setTimeout (async)
       (anonymous) @ jquery.min.js?ver=3.7.1:2
       c @ jquery.min.js?ver=3.7.1:2
       fireWith @ jquery.min.js?ver=3.7.1:2
       fire @ jquery.min.js?ver=3.7.1:2
       c @ jquery.min.js?ver=3.7.1:2
       fireWith @ jquery.min.js?ver=3.7.1:2
       ready @ jquery.min.js?ver=3.7.1:2
       P @ jquery.min.js?ver=3.7.1:2
       jquery.min.js?ver=3.7.1:2 Uncaught TypeError: Cannot read properties of undefined (reading 'addClass')
           at Wpcf7cfForm.displayFields (autoptimize_e817f69e9a28856f1ed2938b695bfe92.js:483:14)
           at autoptimize_e817f69e9a28856f1ed2938b695bfe92.js:539:1565
           at Array.forEach (<anonymous>)
           at HTMLDocument.<anonymous> (autoptimize_e817f69e9a28856f1ed2938b695bfe92.js:539:1543)
           at e (jquery.min.js?ver=3.7.1:2:27028)
           at t (jquery.min.js?ver=3.7.1:2:27330)
       ```
   
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fconsole-errors-29%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 9 replies - 1 through 9 (of 9 total)

 *  Plugin Author [Gemini Labs](https://wordpress.org/support/users/geminilabs/)
 * (@geminilabs)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17292628)
 * Site Reviews does not use jQuery. 
   Wpcf7cfForm is the Contact Form 7 plugin. 
   Probably you are getting this due to your optimisations.
 *  [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17292636)
 * pro-tip; you can disable Autoptimize on a per-request basis by adding `?ao_noptirocket
   =1` to the URL.
 * if the problem is not there at that point, some autoptimize (re-)configuration
   might be needed to fix this. there are troubleshooting tips and info on how to
   exclude in [the AO FAQ](https://wordpress.org/plugins/autoptimize/#faq).
 * hope this helps debugging,
    frank (ao dev)
 *  Thread Starter [Chuckie](https://wordpress.org/support/users/ajtruckle/)
 * (@ajtruckle)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17292666)
 * [@optimizingmatters](https://wordpress.org/support/users/optimizingmatters/) 
   using that URL does not change the output I am getting in Google Chrome.
 *  Thread Starter [Chuckie](https://wordpress.org/support/users/ajtruckle/)
 * (@ajtruckle)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17292703)
 * [@optimizingmatters](https://wordpress.org/support/users/optimizingmatters/)
 * Actually:
 *     ```wp-block-code
       JQMIGRATE: Migrate is installed, version 3.4.1
       jquery.min.js?ver=3.7.1:2 jQuery.Deferred exception: Cannot read properties of undefined (reading 'addClass') TypeError: Cannot read properties of undefined (reading 'addClass')
           at Wpcf7cfForm.displayFields (https://www.publictalksoftware.co.uk/wp-content/plugins/cf7-conditional-fields/js/scripts.js?ver=2.4.5:252:18)
           at https://www.publictalksoftware.co.uk/wp-content/plugins/cf7-conditional-fields/js/scripts.js?ver=2.4.5:1490:11
           at Array.forEach (<anonymous>)
           at HTMLDocument.<anonymous> (https://www.publictalksoftware.co.uk/wp-content/plugins/cf7-conditional-fields/js/scripts.js?ver=2.4.5:1489:19)
           at e (https://www.publictalksoftware.co.uk/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:27028)
           at t (https://www.publictalksoftware.co.uk/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:27330) undefined
       ce.Deferred.exceptionHook @ jquery.min.js?ver=3.7.1:2
       t @ jquery.min.js?ver=3.7.1:2
       setTimeout (async)
       (anonymous) @ jquery.min.js?ver=3.7.1:2
       c @ jquery.min.js?ver=3.7.1:2
       fireWith @ jquery.min.js?ver=3.7.1:2
       fire @ jquery.min.js?ver=3.7.1:2
       c @ jquery.min.js?ver=3.7.1:2
       fireWith @ jquery.min.js?ver=3.7.1:2
       ready @ jquery.min.js?ver=3.7.1:2
       P @ jquery.min.js?ver=3.7.1:2
       jquery.min.js?ver=3.7.1:2 Uncaught TypeError: Cannot read properties of undefined (reading 'addClass')
           at Wpcf7cfForm.displayFields (scripts.js?ver=2.4.5:252:18)
           at scripts.js?ver=2.4.5:1490:11
           at Array.forEach (<anonymous>)
           at HTMLDocument.<anonymous> (scripts.js?ver=2.4.5:1489:19)
           at e (jquery.min.js?ver=3.7.1:2:27028)
           at t (jquery.min.js?ver=3.7.1:2:27330)
       Wpcf7cfForm.displayFields @ scripts.js?ver=2.4.5:252
       (anonymous) @ scripts.js?ver=2.4.5:1490
       (anonymous) @ scripts.js?ver=2.4.5:1489
       e @ jquery.min.js?ver=3.7.1:2
       t @ jquery.min.js?ver=3.7.1:2
       setTimeout (async)
       ce.readyException @ jquery.min.js?ver=3.7.1:2
       (anonymous) @ jquery.min.js?ver=3.7.1:2
       e @ jquery.min.js?ver=3.7.1:2
       t @ jquery.min.js?ver=3.7.1:2
       setTimeout (async)
       (anonymous) @ jquery.min.js?ver=3.7.1:2
       c @ jquery.min.js?ver=3.7.1:2
       fireWith @ jquery.min.js?ver=3.7.1:2
       fire @ jquery.min.js?ver=3.7.1:2
       c @ jquery.min.js?ver=3.7.1:2
       fireWith @ jquery.min.js?ver=3.7.1:2
       t @ jquery.min.js?ver=3.7.1:2
       setTimeout (async)
       (anonymous) @ jquery.min.js?ver=3.7.1:2
       c @ jquery.min.js?ver=3.7.1:2
       fireWith @ jquery.min.js?ver=3.7.1:2
       fire @ jquery.min.js?ver=3.7.1:2
       c @ jquery.min.js?ver=3.7.1:2
       fireWith @ jquery.min.js?ver=3.7.1:2
       ready @ jquery.min.js?ver=3.7.1:2
       P @ jquery.min.js?ver=3.7.1:2
       ```
   
 *  [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17292711)
 * OK, so although you still get errors, there is no mention of Autoptimize any 
   more, which indicates the problem is not with AO as such.
 *  Plugin Author [Gemini Labs](https://wordpress.org/support/users/geminilabs/)
 * (@geminilabs)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17292755)
 * Check if you are conditionally loading jQuery on your page. If so, then that 
   is breaking the Contact Form 7 plugin.
 * Or, jQuery may be loading on your page after the Contact Form 7 javascript.
 * In any case, double-check any script loading optimizations you may have enabled
   on your site.
 *  Thread Starter [Chuckie](https://wordpress.org/support/users/ajtruckle/)
 * (@ajtruckle)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17298738)
 * Hi
 * I had feedback here:
 * [Console errors | WordPress.org](https://wordpress.org/support/topic/console-errors-30/#post-17298407)
 * They say I need to remove the `wpcf7-form` class from this form:
 * `<form class="glsr-filters-form glsr-form wpcf7-form" method="get" >`
 * Because it is a non-CF7 form.
 *  Plugin Author [Gemini Labs](https://wordpress.org/support/users/geminilabs/)
 * (@geminilabs)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17298753)
 * In that case, change the Site Reviews “Plugin Style” setting back to the default.
   The Contact Form 7 plugin style won’t work if you are conditionally loading the
   Contact Form 7 assets.
 * ![](https://i0.wp.com/i.imgur.com/tVIjEdj.png?ssl=1)
 *  Thread Starter [Chuckie](https://wordpress.org/support/users/ajtruckle/)
 * (@ajtruckle)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17298766)
 * Done. Thanks.

Viewing 9 replies - 1 through 9 (of 9 total)

The topic ‘Console errors’ is closed to new replies.

 * ![](https://ps.w.org/site-reviews/assets/icon-256x256.gif?rev=3307009)
 * [Site Reviews](https://wordpress.org/plugins/site-reviews/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/site-reviews/#faq)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/site-reviews/unresolved/)
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 * 9 replies
 * 3 participants
 * Last reply from: [Chuckie](https://wordpress.org/support/users/ajtruckle/)
 * Last activity: [2 years, 5 months ago](https://wordpress.org/support/topic/console-errors-29/#post-17298766)
 * Status: resolved