e4708d2cd1c4e28bc2ca558cae77b19a *dmb2000-06-27d2t01.shn 33a4cb5e25dde3e48ce45d7fd235a040 *dmb2000-06-27d2t02.shn 1f7bc7cc4fd8ed423f9e6f6c96eabd07 *dmb2000-06-27d2t03.shn 4bd106b91b9346cac09acad08da81be5 *dmb2000-06-27d2t04.shn b47f617557b00775dff76fa3516d745d *dmb2000-06-27d2t05.shn 44a5c413940a9e72ac39b816944461ae *dmb2000-06-27d2t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned