88f59c69ff813313ef50408b6be62d3b *ddbb2002-04-25d1t01.shn 02a71cb25b1ca36d6a9980dd5618389f *ddbb2002-04-25d1t02.shn 3885b729ee647cd3a3a5d8af79843af7 *ddbb2002-04-25d1t03.shn 1ec264c27610a9ca7c242b69f830ea9f *ddbb2002-04-25d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned