Support » Plugin: W3 Total Cache » W3TC Fatal Error Crashed Site – Cant Revive

  • HELP!!! My site suddenly crashed and unable to revive for more than 5 hours now. It keeps showing:

    Fatal error: Uncaught Error: Call to undefined function W3TC\json_decode() in /home/…/public_html/wp-content/plugins/w3-total-cache/Config.php:37 Stack trace: #0 /home…/public_html/wp-content/plugins/w3-total-cache/Config.php(340): W3TC\Config::util_array_from_file(‘/home/…’) #1 /home/…/public_html/wp-content/plugins/w3-total-cache/Config.php(93): W3TC\Config->load() #2 /home/…/public_html/wp-content/plugins/w3-total-cache/Dispatcher.php(16): W3TC\Config->__construct() #3 /home/…/public_html/wp-content/plugins/w3-total-cache/Dispatcher.php(24): W3TC\Dispatcher::component(‘Config’) #4 /home/…/public_html/wp-content/plugins/w3-total-cache/Mobile_Redirect.php(16): W3TC\Dispatcher::config() #5 /home/…/public_html/wp-content/plugins/w3-total-cache/Dispatcher.php(16): W3TC\Mobile_Redirect->__construct() #6 /home/… in /home/…public_html/wp-content/plugins/w3-total-cache/Config.php on line 37

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  • Are you running WordPress 4.7?

    If so, you’ll have to remove W3 Total Cache completely. If you check the WP 4.7 Master list you see that the plugin is specifically listed as incompatible, along with uninstall instructions.

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