c06535a354f6c9968b78e1576bef379f *db01-08-25d2t03.shn 9a61cd0a8dfe6316a894b4907de11956 *db01-08-25d2t02.shn af0fa43d30ced2db47d1d8ed181d685e *db01-08-25d2t01.shn 9c48c4c9577dd03ab7200d3d60ec0029 *db01-08-25d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned