e7b7a831018606621c34760bca66cc69 *dmb1998-05-17-d3t01.shn e2ed0176fb40ec3e552483912fc6c241 *dmb1998-05-17-d3t02.shn 377932109747473d5cbd157ebf50a1d9 *dmb1998-05-17-d3t03.shn dad83ad0df20011502eacb9448ae56b4 *dmb1998-05-17-d3t04.shn 868860e6ec1daf917116d0f24171b22f *dmb1998-05-17-d3t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned