Title: WP_DEBUG warning
Last modified: August 30, 2016

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# WP_DEBUG warning

 *  [jshare](https://wordpress.org/support/users/jshare/)
 * (@jshare)
 * [10 years, 11 months ago](https://wordpress.org/support/topic/wp_debug-warning-3/)
 * With WP_DEBUG enabled on my test server, after upgrading to 4.4, I get this warning:
 * Notice: Undefined variable: pong in /var/www/jobmob.co.il/html/wp-content/plugins/
   xml-sitemap-feed/includes/core.php on line 1123
 * It seems to disappear if I go into Settings and save changes, but I didn’t test
   rigorously.
 * [https://wordpress.org/plugins/xml-sitemap-feed/](https://wordpress.org/plugins/xml-sitemap-feed/)

The topic ‘WP_DEBUG warning’ is closed to new replies.

 * ![](https://ps.w.org/xml-sitemap-feed/assets/icon-128x128.png?rev=1112143)
 * [XML Sitemap & Google News](https://wordpress.org/plugins/xml-sitemap-feed/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/xml-sitemap-feed/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/xml-sitemap-feed/)
 * [Active Topics](https://wordpress.org/support/plugin/xml-sitemap-feed/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/xml-sitemap-feed/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/xml-sitemap-feed/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [jshare](https://wordpress.org/support/users/jshare/)
 * Last activity: [10 years, 11 months ago](https://wordpress.org/support/topic/wp_debug-warning-3/)
 * Status: not resolved