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Fatal error: Uncaught Zend_Cache_Exception: The redis database could not be selected. in /var/www/html/cadblocksfree.com/vendor/magento/zendframework1/library/Zend/Cache.php:209 Stack trace: #0 /var/www/html/cadblocksfree.com/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(415): Zend_Cache::throwException() #1 /var/www/html/cadblocksfree.com/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(250): Cm_Cache_Backend_Redis->_applyClientOptions() #2 /var/www/html/cadblocksfree.com/vendor/magento/zendframework1/library/Zend/Cache.php(153): Cm_Cache_Backend_Redis->__construct() #3 /var/www/html/cadblocksfree.com/vendor/magento/zendframework1/library/Zend/Cache.php(94): Zend_Cache::_makeBackend() #4 /var/www/html/cadblocksfree.com/vendor/magento/framework/App/Cache/Frontend/Factory.php(156): Zend_Cache::factory() #5 /var/www/html/cadblocksfree.com/vendor/magento/framework/Cache/Frontend/Adapter/Zend.php(38): Magento\Framework\App\Cache\Frontend\Factory->Magento\Framework\App\Cache\Fronten in /var/www/html/cadblocksfree.com/vendor/magento/zendframework1/library/Zend/Cache.php on line 209