Title: valid JSON response
Last modified: March 18, 2020

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# valid JSON response

 *  Resolved [sandrayangtw](https://wordpress.org/support/users/sandrayangtw/)
 * (@sandrayangtw)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/valid-json-response/)
 * “Hello! I noticed when I activated this plugin, it gives me this error:
    Publishing
   failed. Error message: The response is not a valid JSON response When I checked
   the error log, I see this:
 * A non-numeric value encountered in /srv/htdocs/wp-content/plugins/pdf-print/mpdf/
   Tag.php on line 2003
    A non-numeric value encountered in /srv/htdocs/wp-content/
   plugins/pdf-print/mpdf/mpdf.php on line 6387
 * Can you update the plugin so it will work again?”
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fvalid-json-response%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [bestwebsoft](https://wordpress.org/support/users/bestwebsoft/)
 * (@bestwebsoft)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/valid-json-response/#post-13221067)
 * Hi.
 * Please upgrade MPDF library on the PDF&Print settings page if you didn’t do it
   yet.

Viewing 1 replies (of 1 total)

The topic ‘valid JSON response’ is closed to new replies.

 * ![](https://ps.w.org/pdf-print/assets/icon-256x256.gif?rev=2580392)
 * [PDF & Print by BestWebSoft - WordPress Posts and Pages PDF Generator Plugin](https://wordpress.org/plugins/pdf-print/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/pdf-print/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/pdf-print/)
 * [Active Topics](https://wordpress.org/support/plugin/pdf-print/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/pdf-print/unresolved/)
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## Tags

 * [uploading](https://wordpress.org/support/topic-tag/uploading/)

 * 1 reply
 * 2 participants
 * Last reply from: [bestwebsoft](https://wordpress.org/support/users/bestwebsoft/)
 * Last activity: [5 years, 10 months ago](https://wordpress.org/support/topic/valid-json-response/#post-13221067)
 * Status: resolved