cc101de840797a69b3da7a631cfc01b4 *db99-10-08d2t3.shn.shn a36e8d4732daa417ad122a3bbc76c314 *db99-10-08d2t2.shn.shn 6bf6e7d3fb3e8892d14380bc615c3359 *db99-10-08d2t1.shn.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned