Fatal error: Uncaught RedisException: read error on connection to redis:6379 in /var/www/html/wp-content/plugins/w3-total-cache/Cache_Redis.php:170
Stack trace:
#0 /var/www/html/wp-content/plugins/w3-total-cache/Cache_Redis.php(170): Redis->get('w3tc_655412948_...')
#1 /var/www/html/wp-content/plugins/w3-total-cache/Cache_Base.php(114): W3TC\Cache_Redis->get_with_old('9dd68a674442da1...', 'singletables')
#2 /var/www/html/wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php(195): W3TC\Cache_Base->get('9dd68a674442da1...', 'singletables')
#3 /var/www/html/wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php(216): W3TC\DbCache_WpdbInjection_QueryCaching->query('SELECT `name`, ...')
#4 /var/www/html/wp-includes/class-wpdb.php(3156): W3TC\DbCache_WpdbNew->query('SELECT `name`, ...')
#5 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/model/settings/db.php(98): wpdb->get_results('SELECT `name`, ...')
#6 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/model/settings/db.php(142): WordfenceLS\Settings\Model_DB->_cached()
#7 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/model/settings/db.php(56): WordfenceLS\Settings\Model_DB->_has_cached('require-2fa.adm...')
#8 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/model/settings/db.php(46): WordfenceLS\Settings\Model_DB->get_multiple(Array)
#9 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/controller/settings.php(148): WordfenceLS\Settings\Model_DB->get('require-2fa.adm...', false)
#10 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/controller/settings.php(152): WordfenceLS\Controller_Settings->get('require-2fa.adm...', false)
#11 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/controller/settings.php(800): WordfenceLS\Controller_Settings->get_bool('require-2fa.adm...')
#12 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/controller/settings.php(77): WordfenceLS\Controller_Settings->_migrate_admin_2fa_requirements_to_roles()
#13 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/controller/settings.php(67): WordfenceLS\Controller_Settings->__construct()
#14 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/controller/wordfencels.php(53): WordfenceLS\Controller_Settings::shared()
#15 /var/www/html/wp-content/plugins/wordfence/modules/login-security/classes/controller/wordfencels.php(37): WordfenceLS\Controller_WordfenceLS->_init_actions()
#16 /var/www/html/wp-content/plugins/wordfence/modules/login-security/wordfence-login-security.php(90): WordfenceLS\Controller_WordfenceLS->init()
#17 /var/www/html/wp-content/plugins/wordfence/lib/wordfenceClass.php(62): require('/var/www/html/w...')
#18 /var/www/html/wp-content/plugins/wordfence/wordfence.php(145): require_once('/var/www/html/w...')
#19 /var/www/html/wp-settings.php(560): include_once('/var/www/html/w...')
#20 /var/www/html/wp-config.php(136): require_once('/var/www/html/w...')
#21 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...')
#22 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...')
#23 /var/www/html/index.php(17): require('/var/www/html/w...')
#24 {main}
  thrown in /var/www/html/wp-content/plugins/w3-total-cache/Cache_Redis.php on line 170