Fatal error: Uncaught Error: Interface "Magento\Framework\Setup\InstallSchemaInterface" not found in /var/www/magento/html/app/code/Fusion/Bulkapi/Setup/InstallSchema.php:21 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Fusion/Bulkapi/Setup/InstallSchema.php on line 21