Fatal error: Uncaught Error: Class "yii\db\mysql\ColumnSchemaBuilder" not found in /home/leasingm/public_html/public_html/vendor/craftcms/cms/src/db/mysql/ColumnSchemaBuilder.php:18 Stack trace: #0 {main} thrown in /home/leasingm/public_html/public_html/vendor/craftcms/cms/src/db/mysql/ColumnSchemaBuilder.php on line 18