W3 Total Cache
blank page with Label 'http' already defined error when page cache enabled (1 post)

  1. mkc_dev
    Posted 1 year ago #

    I disabled w3tc and website was fine for a week. One of the websites hosted on the server made the server unresponsive ( critically low on RAM). It could be the website I am working on.
    I enabled the cache plugin, cleared the cache and disabled the plugin again. Then this error started to show:
    Label 'http' already defined in
    /var/www/vhosts/website/httpdocs/wordpress/wp-content/plugins/w3-total-cache/lib/W3/PgCache.php(1356) : eval()'d code on line 2

    I 'fixed' the blank page and error by renaming the plugin folder name from 'w3-total-cache' to 'w3-total-cache-disabled'.
    This however broke the image upload, additionally the images already uploaded were not visible in Add Media screen. So no images could have been added po posts.

    I enabled the w3tc plugin again and disabled the page cache, leaving the Database cache and Object cache enabled.

    How can I fix that error that shows up when I enable Page cache?


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