Fatal error: Uncaught Error: Class "yii\authclient\signature\BaseMethod" not found in /var/www/html/prod/vendor/yiisoft/yii2-authclient/src/signature/PlainText.php:16 Stack trace: #0 {main} thrown in /var/www/html/prod/vendor/yiisoft/yii2-authclient/src/signature/PlainText.php on line 16