7804066fd6c99cd3d82cecd1f4f719ad *gd79-01-15d2t03.shn 64f6e701fccc5ef1ba54d7fcaadc6747 *gd79-01-15d2t02.shn cee1fb6d7f8f6133204678dee626e515 *gd79-01-15d2t01.shn 07c40f5ad3949a02a8ac4918b8daa6da *gd79-01-15d2t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned