Fatal error: Uncaught Error: Interface 'Magento\Downloadable\Api\LinkRepositoryInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-downloadable/Model/LinkRepository.php:25 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-downloadable/Model/LinkRepository.php on line 25