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/ObjectCache.php(574): W3_Cache::instance('memcached', Array)
#2 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/ObjectCache.php(166): W3_ObjectCache->_get_cache(0, 'default')
#3 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/ObjectCacheBridge.php(32): W3_ObjectCache->get('is_blog_install...', 'default')
#4 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/object-cache.php(51): W3_ObjectCacheBridge->get('is_blog_install...', 'default')
#5 /var/www/vhosts/clearance-usa.com/httpdocs/wp-includes/functions.php(1664): wp_cache_get('is_blo 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: 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/ObjectCache.php(574): W3_Cache::instance('memcached', Array)
#2 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/ObjectCache.php(166): W3_ObjectCache->_get_cache(0, 'options')
#3 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/ObjectCacheBridge.php(32): W3_ObjectCache->get('notoptions', 'options')
#4 /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/object-cache.php(51): W3_ObjectCacheBridge->get('notoptions', 'options')
#5 /var/www/vhosts/clearance-usa.com/httpdocs/wp-includes/option.php(73): wp_cache_get('notoptions', 'options')
#6 in /var/www/vhosts/clearance-usa.com/httpdocs/wp-content/plugins/a2-w3-total-cache/lib/W3/Cache/Memcached.php on line 52