Title: Getting an error
Last modified: March 22, 2024

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# Getting an error

 *  [joel](https://wordpress.org/support/users/joel2019/)
 * (@joel2019)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/getting-an-error-40/)
 * Hi,
 * I was updating a product and when I wanted to save it, it kept going. The problem
   is this plugin. I got this error message
 * Een fout van het type `E_ERROR` trad op op lijn `489` in het bestand `/wp-content/
   plugins/show-product-variations-for-woocommerce/admin/class-wsv-admin.php`. Foutmelding:`
   Uncaught TypeError: array_unique(): Argument #1 ($array) must be of type array,
   null given in /wp-content/plugins/show-product-variations-for-woocommerce/admin/
   class-wsv-admin.php:489 Stack trace: #0 /wp-content/plugins/show-product-variations-
   for-woocommerce/admin/class-wsv-admin.php(489): array_unique(NULL) #1 /wp-includes/
   class-wp-hook.php(326): Wsv_Admin->save_post(299) #2 /wp-includes/class-wp-hook.
   php(348): WP_Hook->apply_filters('', Array) #3 /wp-includes/plugin.php(517): 
   WP_Hook->do_action(Array) #4 /wp-content/plugins/woocommerce/includes/admin/class-
   wc-admin-meta-boxes.php(273): do_action('...', 299, Object(WP_Post)) #5 /wp-includes/
   class-wp-hook.php(326): WC_Admin_Meta_Boxes->save_meta_boxes(299, Object(WP_Post))#
   6 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #7 /
   wp-includes/plugin.php(517): WP_Hook->do_action(Array) #8 /wp-includes/post.php(
   4760): do_action('...', 299, Object(WP_Post), true) #9 /wp-includes/post.php(
   4862): wp_insert_post(Array, false, true) #10 /wp-admin/includes/post.php(453):
   wp_update_post(Array) #11 /wp-admin/post.php(227): edit_post() #12 {main} thrown`

The topic ‘Getting an error’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [joel](https://wordpress.org/support/users/joel2019/)
 * Last activity: [2 years, 2 months ago](https://wordpress.org/support/topic/getting-an-error-40/)
 * Status: not resolved