Fatal error: Uncaught Error: Class 'Redis' not found in /var/www/apps/app0799/www/sites/all/modules/redis/lib/Redis/Client/PhpRedis.php:9 Stack trace: #0 /var/www/apps/app0799/www/sites/all/modules/redis/lib/Redis/Client/Manager.php(142): Redis_Client_PhpRedis->getClient(Array) #1 /var/www/apps/app0799/www/sites/all/modules/redis/lib/Redis/Client/Manager.php(85): Redis_Client_Manager->createClient('default') #2 /var/www/apps/app0799/www/sites/all/modules/redis/lib/Redis/Client.php(213): Redis_Client_Manager->getClient() #3 /var/www/apps/app0799/www/sites/all/modules/redis/lib/Redis/Cache.php(178): Redis_Client::getClient() #4 /var/www/apps/app0799/www/includes/cache.inc(32): Redis_Cache->__construct('cache_bootstrap') #5 /var/www/apps/app0799/www/includes/cache.inc(57): _cache_get_object('cache_bootstrap') #6 /var/www/apps/app0799/www/includes/module.inc(762): cache_get('module_implemen...', 'cache_bootstrap') #7 /var/www/apps/app0799/www/includes/module.inc(962): module_implements('system_theme_in...') #8 /var/www/apps/a in /var/www/apps/app0799/www/sites/all/modules/redis/lib/Redis/Client/PhpRedis.php on line 9