c14b4053e806812a3208569311d9baab *slip01-04-07d2t01.shn a881747b43dad5b3bd0dada6d9661eff *slip01-04-07d2t02.shn a34c7c46d906967f89d6c020ef099e37 *slip01-04-07d2t03.shn 142ad8cd291f7813a3df2aa0c35d4333 *slip01-04-07d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned