Fatal error: Uncaught Error: Class 'Memcache' not found in /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/Cache/Memcached.php:52 Stack trace: #0 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/Cache.php(44): W3_Cache_Memcached->__construct(Array) #1 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/PgCache.php(689): W3_Cache::instance('memcached', Array) #2 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/PgCache.php(224): W3_PgCache->_get_cache() #3 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/PgCache.php(197): W3_PgCache->_extract_cached_page() #4 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/advanced-cache.php(34): W3_PgCache->process() #5 /var/www/vhosts/clearance-usa.com/httpdocs/wp-settings.php(91): include('/var/www/vhosts...') #6 /var/www/vhosts/clearance-usa.com/httpdocs/wp-config.php(101): require_once('/var/www in /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/Cache/Memcached.php on line 52

Fatal error: Uncaught Error: Call to undefined function esc_url() in /var/www/vhosts/clearance-usa.com/httpdocs/wp-includes/class-wp-fatal-error-handler.php:190 Stack trace: #0 /var/www/vhosts/clearance-usa.com/httpdocs/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false) #1 /var/www/vhosts/clearance-usa.com/httpdocs/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false) #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /var/www/vhosts/clearance-usa.com/httpdocs/wp-includes/class-wp-fatal-error-handler.php on line 190