yii\base\ErrorException
Error

PHP Core Warningyii\base\ErrorException

PHP Startup: Unable to load dynamic library '/opt/alt/php56/usr/lib64/php/modules/memcached.so' - /opt/alt/php56/usr/lib64/php/modules/memcached.so: undefined symbol: igbinary_serialize

$_GET = [
    'id' => '221',
];

$_SESSION = [
    '__flash' => [],
    '__returnUrl' => '/opac/?id=221',
];