Title: Object Cache Error on WP Engine (PRO VERSION)
Last modified: August 31, 2016

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# Object Cache Error on WP Engine (PRO VERSION)

 *  [Nick](https://wordpress.org/support/users/pilotnick/)
 * (@pilotnick)
 * [10 years, 2 months ago](https://wordpress.org/support/topic/object-cache-error-on-wp-engine-pro-version/)
 * Hello, I have your pro version of this plugin and I am receiving a PHP Error 
   on WP Engine while looking at Query Monitor. The error that is being produced
   is listed below. Any and all help would be much appreciated!
 * Undefined index: delete 2 wp-content/object-cache.php:243 WP_Object_Cache->delete()
   
   wp-content/object-cache.php:45 wp_cache_delete() wp-includes/option.php:571 delete_transient()
   wp-content/plugins/wp-retina-2x/wr2x_settings.php:79 wr2x_admin_init() Unknown
   location do_action(‘admin_init’) wp-admin/admin.php:168 Plugin: wp-retina-2x
 * [https://wordpress.org/plugins/wp-retina-2x/](https://wordpress.org/plugins/wp-retina-2x/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [Jordy Meow](https://wordpress.org/support/users/tigroumeow/)
 * (@tigroumeow)
 * [10 years, 1 month ago](https://wordpress.org/support/topic/object-cache-error-on-wp-engine-pro-version/#post-7262626)
 * Hello 🙂 Can you tell me if you still have this issue with the new version?

Viewing 1 replies (of 1 total)

The topic ‘Object Cache Error on WP Engine (PRO VERSION)’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Jordy Meow](https://wordpress.org/support/users/tigroumeow/)
 * Last activity: [10 years, 1 month ago](https://wordpress.org/support/topic/object-cache-error-on-wp-engine-pro-version/#post-7262626)
 * Status: not resolved