a6e83b6cf2217d8dc3b0c3647c0228cf *db1998-03-05d2t01.shn e04a878b4b729a7db1447d92d5c0831b *db1998-03-05d2t02.shn 979f94ee5d408dfd686ab6f149beb083 *db1998-03-05d2t03.shn b63058a99f789ea3f820240dc382120e *db1998-03-05d2t04.shn e05e5c98aa49b9b050e86e638ac3d319 *db1998-03-05d2t05.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned