PDOException Object ( [message:protected] => SQLSTATE[08S01]: Communication link failure: 1047 WSREP has not yet prepared node for application use [string:Exception:private] => [code:protected] => 08S01 [file:protected] => /code/learningcloud-production/php/framework/core/Nav.core.php [line:protected] => 57 [trace:Exception:private] => Array ( [0] => Array ( [file] => /code/learningcloud-production/php/framework/core/Nav.core.php [line] => 57 [function] => execute [class] => PDOStatement [type] => -> ) [1] => Array ( [file] => /code/learningcloud-production/php/framework/core/Framework.core.php [line] => 236 [function] => buildNav [class] => Framework\Nav [type] => -> ) [2] => Array ( [file] => /code/learningcloud-production/php/LearningCloud.php [line] => 264 [function] => init [class] => Framework\Framework [type] => -> ) [3] => Array ( [file] => /code/learningcloud-production/php/public/index.php [line] => 16 [function] => init [class] => Framework\LearningCloud [type] => -> ) ) [previous:Exception:private] => [errorInfo] => Array ( [0] => 08S01 [1] => 1047 [2] => WSREP has not yet prepared node for application use ) )