36b34de0236392dbb147f32f692b88a3 *db1998-07-08d1t01.shn 45a5439935c471425abb2ff2144140e3 *db1998-07-08d1t02.shn f4d643d3b207e18ab7ac7c3c69ffe86f *db1998-07-08d1t03.shn 01567ee33d14549a584fcb81e2638ddc *db1998-07-08d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned