yii\base\ErrorException
Error

PHP Core Warningyii\base\ErrorException

PHP Startup: Unable to load dynamic library '/opt/remi/php56/root/usr/lib64/php/modules/memcached.so' - /opt/remi/php56/root/usr/lib64/php/modules/memcached.so: cannot open shared object file: No such file or directory

$_SESSION = [
    '__flash' => [],
];