8c4b938b0a943ef64192ea86d21cc6dc *db02-04-05d2t01.shn c53d3f5f9b91b6d839f37fdbf43d75c8 *db02-04-05d2t02.shn 80c59a2e3d805e1e894d0b429aa61f83 *db02-04-05d2t03.shn ac178ef3de49d001e3459af4ddf1d450 *db02-04-05d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned