Title: Warning: array_unique() expects parameter 1 to be array
Last modified: May 2, 2019

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# Warning: array_unique() expects parameter 1 to be array

 *  [cappuccinomedia](https://wordpress.org/support/users/cappuccinomedia/)
 * (@cappuccinomedia)
 * [7 years, 1 month ago](https://wordpress.org/support/topic/warning-array_unique-expects-parameter-1-to-be-array/)
 * This error shows when a user is NOT logged in and adds an item to the cart.
 * Warning: array_unique() expects parameter 1 to be array, null given in /wp-content/
   plugins/woocommerce-table-rate-shipping/deprecated/woocommerce-table-rate-shipping.
   php on line 2271
 * How can I suppress or resolve?
 * It does not show if the user is logged in.
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwarning-array_unique-expects-parameter-1-to-be-array%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  Thread Starter [cappuccinomedia](https://wordpress.org/support/users/cappuccinomedia/)
 * (@cappuccinomedia)
 * [7 years, 1 month ago](https://wordpress.org/support/topic/warning-array_unique-expects-parameter-1-to-be-array/#post-11488837)
 * Using latest version 4.1.3
 *  Thread Starter [cappuccinomedia](https://wordpress.org/support/users/cappuccinomedia/)
 * (@cappuccinomedia)
 * [7 years, 1 month ago](https://wordpress.org/support/topic/warning-array_unique-expects-parameter-1-to-be-array/#post-11488913)
 * nevermind.. the one function i needed this for is now handled directly by woocommerce.
   asking for refund.

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

The topic ‘Warning: array_unique() expects parameter 1 to be array’ is closed to
new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/woocommerce-table-rate-shipping.svg)
 * [WooCommerce Table Rate Shipping Module](https://wordpress.org/plugins/woocommerce-table-rate-shipping/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-table-rate-shipping/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/woocommerce-table-rate-shipping/)
 * [Active Topics](https://wordpress.org/support/plugin/woocommerce-table-rate-shipping/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-table-rate-shipping/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/woocommerce-table-rate-shipping/reviews/)

## Tags

 * [Table Rate Shipping](https://wordpress.org/support/topic-tag/table-rate-shipping/)

 * 2 replies
 * 1 participant
 * Last reply from: [cappuccinomedia](https://wordpress.org/support/users/cappuccinomedia/)
 * Last activity: [7 years, 1 month ago](https://wordpress.org/support/topic/warning-array_unique-expects-parameter-1-to-be-array/#post-11488913)
 * Status: not resolved