Fatal error: Uncaught Error: Interface "yii\base\BootstrapInterface" not found in /home/telefonai/public_html/test.telefonai.eu/vendor/craftcms/generator/src/Extension.php:18 Stack trace: #0 {main} thrown in /home/telefonai/public_html/test.telefonai.eu/vendor/craftcms/generator/src/Extension.php on line 18