Title: Post error problem
Last modified: August 21, 2016

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# Post error problem

 *  Resolved [Jeffrey Powers](https://wordpress.org/support/users/animalien/)
 * (@animalien)
 * [12 years, 3 months ago](https://wordpress.org/support/topic/post-error-problem-1/)
 * When I publish an article, I have a plugin called “Subscribe” witch sends the
   posts to Twitter, Facebook. When I pass through this page, everything works, 
   but I get these messages:
 * Warning: in_array() expects parameter 2 to be array, null given in /home/wp-content/
   plugins/pdf-print/pdf-print.php on line 363
 * Warning: in_array() expects parameter 2 to be array, null given in /home/wp-content/
   plugins/pdf-print/pdf-print.php on line 363
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/content…
 * [https://wordpress.org/plugins/pdf-print/](https://wordpress.org/plugins/pdf-print/)

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

 *  [meugel](https://wordpress.org/support/users/meugel/)
 * (@meugel)
 * [12 years, 2 months ago](https://wordpress.org/support/topic/post-error-problem-1/#post-4689380)
 * I have a similar problem with two different plugins:
    [Foodlist/](https://wordpress.org/plugins/foodlist/)
   is returning the following errors: _Warning: in\_array() expects parameter 2 
   to be array, null given in /home/wp-content/plugins/pdf-print/pdf-print.php on
   line 606_ and/or _Warning: in\_array() expects parameter 2 to be array, null 
   given in /home/wp-content/plugins/pdf-print/pdf-print.php on line 1286_ depending
   on the custom menu item in the backend
 * the second error I get also with this plugin:
    [Responsive Slider](https://wordpress.org/plugins/responsive-slider/)
 * Both errors are shown only in the backend. In frontend all works fine.
 * any suggestion to resolve this problem?
 *  Plugin Author [bestwebsoft](https://wordpress.org/support/users/bestwebsoft/)
 * (@bestwebsoft)
 * [12 years, 2 months ago](https://wordpress.org/support/topic/post-error-problem-1/#post-4689395)
 * Hi,
 * The plugin is going to be updated very soon. Please let us know if after the 
   update the problem is fixed or not.
 * Sincerely,
    BestWebSoft Support Team

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

The topic ‘Post error problem’ 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/)
 * [Reviews](https://wordpress.org/support/plugin/pdf-print/reviews/)

 * 2 replies
 * 3 participants
 * Last reply from: [bestwebsoft](https://wordpress.org/support/users/bestwebsoft/)
 * Last activity: [12 years, 2 months ago](https://wordpress.org/support/topic/post-error-problem-1/#post-4689395)
 * Status: resolved