9b606c4190add7783c64612e94f255d6 *LL1988-11-17d2t01.shn dd445670956879140dfa72f97a9ce0af *LL1988-11-17d2t02.shn d24f5c568d804c6f5610ca9caeb9a218 *LL1988-11-17d2t03.shn 84a46f095434095ff8fed983d61a813e *LL1988-11-17d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned