598cf094dd0d8a1a8a3788a2f8ddc40a *ah2002-04-20d2t01.shn b45d10f37232ef032f5477c368fe7ecc *ah2002-04-20d2t02.shn 494bca45d404ad699c0562cff4d851f2 *ah2002-04-20d2t03.shn b6bdf68dd3d59c283d0e66bbb76c77ec *ah2002-04-20d2t04.shn f13ca491aeb32b4dca6517d8d47cb5cd *ah2002-04-20d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned