1a6bbb813dc7949d89013008d5c95ade *ph1997-08-17d3t01.shn cb6301b8ec66f05c69f75f72891faadb *ph1997-08-17d3t02.shn 6e185b76b9bd476ed146e193579d6cb9 *ph1997-08-17d3t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned