Error in WP debug

  • mashut

    (@mashut)


    9 years, 6 months ago

    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

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