Title: Error/Warning: count
Last modified: August 18, 2019

---

# Error/Warning: count

 *  [doctordark](https://wordpress.org/support/users/doctordark/)
 * (@doctordark)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/error-warning-count-4/)
 * I’m having this issue
 * Warning: count(): Parameter must be an array or an object that implements Countable
   in /home/www/htdocs/wp-admin/includes/class-wp-list-table.php on line 588
 * Using latest PHP and WordPress version, and latest Salon Booking plugin…

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

 *  Plugin Author [Dimitri Grassi](https://wordpress.org/support/users/wordpresschef/)
 * (@wordpresschef)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/error-warning-count-4/#post-11850001)
 * Hi,
 * where do you see this message?
 *  Thread Starter [doctordark](https://wordpress.org/support/users/doctordark/)
 * (@doctordark)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/error-warning-count-4/#post-11850351)
 * I’m only seeing it in Posts, and Pages sections
 * I just found out that there are other people with the same error but they are
   using an old version of the plugin:
 * [https://wordpress.org/support/topic/error-countable/](https://wordpress.org/support/topic/error-countable/)

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

The topic ‘Error/Warning: count’ is closed to new replies.

 * ![](https://ps.w.org/salon-booking-system/assets/icon-256x256.gif?rev=3214950)
 * [Salon Booking System - Free Version](https://wordpress.org/plugins/salon-booking-system/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/salon-booking-system/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/salon-booking-system/)
 * [Active Topics](https://wordpress.org/support/plugin/salon-booking-system/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/salon-booking-system/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/salon-booking-system/reviews/)

## Tags

 * [array](https://wordpress.org/support/topic-tag/array/)
 * [count](https://wordpress.org/support/topic-tag/count/)
 * [warning](https://wordpress.org/support/topic-tag/warning/)

 * 2 replies
 * 2 participants
 * Last reply from: [doctordark](https://wordpress.org/support/users/doctordark/)
 * Last activity: [6 years, 9 months ago](https://wordpress.org/support/topic/error-warning-count-4/#post-11850351)
 * Status: not resolved