a3c7e13d0e7bbbabe43223459e477c79 *dtb2002-11-01d2t2.shn 24e899dceb2d31361901b37bfae77cca *dtb2002-11-01d2t3.shn a8169a565e4d8d642786e64538f2cc76 *dtb2002-11-01d2t4.shn 8657321e747145677858698d96df4e60 *dtb2002-11-01d2t1.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned