Title: PHP Warning: array_filter() expects parameter 1 to be array, null given
Last modified: April 20, 2022

---

# PHP Warning: array_filter() expects parameter 1 to be array, null given

 *  [jannesmannes](https://wordpress.org/support/users/jannesmannes/)
 * (@jannesmannes)
 * [4 years, 1 month ago](https://wordpress.org/support/topic/php-warning-array_filter-expects-parameter-1-to-be-array-null-given/)
 * We constantly get the following error message when the cron is ran:
 * `PHP Warning: array_filter() expects parameter 1 to be array, null given in /***/
   plugins/activecampaign-for-woocommerce/includes/repositories/class-activecampaign-
   for-woocommerce-ecom-customer-repository.php on line 140`

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

 *  [MACscr](https://wordpress.org/support/users/macscr/)
 * (@macscr)
 * [3 years, 11 months ago](https://wordpress.org/support/topic/php-warning-array_filter-expects-parameter-1-to-be-array-null-given/#post-15757865)
 * we do as well. Figure anything out?
 *  [MACscr](https://wordpress.org/support/users/macscr/)
 * (@macscr)
 * [3 years, 11 months ago](https://wordpress.org/support/topic/php-warning-array_filter-expects-parameter-1-to-be-array-null-given/#post-15799386)
 * still an issue. Frustrating.

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

The topic ‘PHP Warning: array_filter() expects parameter 1 to be array, null given’
is closed to new replies.

 * ![](https://ps.w.org/activecampaign-for-woocommerce/assets/icon-256x256.png?rev
   =1925389)
 * [ActiveCampaign for WooCommerce](https://wordpress.org/plugins/activecampaign-for-woocommerce/)
 * [Support Threads](https://wordpress.org/support/plugin/activecampaign-for-woocommerce/)
 * [Active Topics](https://wordpress.org/support/plugin/activecampaign-for-woocommerce/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/activecampaign-for-woocommerce/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/activecampaign-for-woocommerce/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [MACscr](https://wordpress.org/support/users/macscr/)
 * Last activity: [3 years, 11 months ago](https://wordpress.org/support/topic/php-warning-array_filter-expects-parameter-1-to-be-array-null-given/#post-15799386)
 * Status: not resolved