Title: JS TypeErrors
Last modified: August 30, 2016

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# JS TypeErrors

 *  Resolved [Jaap de Wit](https://wordpress.org/support/users/hitec4ever/)
 * (@hitec4ever)
 * [10 years, 6 months ago](https://wordpress.org/support/topic/js-typeerrors/)
 * Hi,
 * Since the last update I receive these errors when saving pages in the backend.
 * TypeError: b is null
    [http://somewebsite.com/wp-content/plugins/wordpress-seo/js/dist/yoast-seo/yoast-seo-305.min.js?ver=3.0.6](http://somewebsite.com/wp-content/plugins/wordpress-seo/js/dist/yoast-seo/yoast-seo-305.min.js?ver=3.0.6)
   Line 1
 * TypeError: b.responseText is undefined
    [http://somewebsite/wp-content/plugins/wordpress-seo/js/wp-seo-post-scraper-305.min.js?ver=3.0.6](http://somewebsite/wp-content/plugins/wordpress-seo/js/wp-seo-post-scraper-305.min.js?ver=3.0.6)
   Line 1
 * Hope you can help.
 * Cheers,
    Jaap
 * [https://wordpress.org/plugins/wordpress-seo/](https://wordpress.org/plugins/wordpress-seo/)

Viewing 1 replies (of 1 total)

 *  [Rebecca Markowitz](https://wordpress.org/support/users/beccawitz/)
 * (@beccawitz)
 * [10 years, 6 months ago](https://wordpress.org/support/topic/js-typeerrors/#post-6811105)
 * I’m also getting a JS error:
 * Uncaught TypeError: Cannot read property ‘match’ of undefined
 * wp-seo-post-scraper-305.min.js?ver=d71df4f36b4ef17da249af35c439e498:1
 * Thanks!

Viewing 1 replies (of 1 total)

The topic ‘JS TypeErrors’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Rebecca Markowitz](https://wordpress.org/support/users/beccawitz/)
 * Last activity: [10 years, 6 months ago](https://wordpress.org/support/topic/js-typeerrors/#post-6811105)
 * Status: resolved