b21e8da9b905f91a27851e9571686531 *db01-03-17d2t3.shn 19712bd871664c4958d76e0d4e54fa79 *db01-03-17d2t1.shn 7f4a04d3c8114dc05a7ee3b0f72e5dcd *db01-03-17d2t2.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned