8417651444f2d713642d6f1b5a220cf8 *nd-2002-06-13-d2t02.shn 19987f29e1e5c4a34b59d3e6b891c238 *nd-2002-06-13-d2t01.shn dde124b09efb868706d9ae2338d93abf *nd-2002-06-13-d2t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned