a6b0b7d0442362af2b64bc8f58fa3e6a *db1999-04-17d2t01.shn 49a7cd97793bb94e4cc037e8d1223356 *db1999-04-17d2t02.shn 6d3372dbacb063256586b4839caa4464 *db1999-04-17d2t03.shn 2a8b872c657d6bfd3b8a1dd899bd9022 *db1999-04-17d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned