Title: Error in WP debug
Last modified: November 16, 2016

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# Error in WP debug

 *  [mashut](https://wordpress.org/support/users/mashut/)
 * (@mashut)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/error-in-wp-debug-3/)
 * Could you please helm me? About a week ago I started to see such an error:
    [
   16-Nov-2016 11:52:12 UTC] PHP Notice: Undefined index: HTTP_REFERER in /public_html/
   wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php on line
   366

The topic ‘Error in WP debug’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [mashut](https://wordpress.org/support/users/mashut/)
 * Last activity: [9 years, 6 months ago](https://wordpress.org/support/topic/error-in-wp-debug-3/)
 * Status: not resolved