ecdf0c927b87f471acfa3233538814ec *mmw1995-09-17d3t01.wav.shn 9c6b5f021da0ca54098cff30d5ae87f5 *mmw1995-09-17d3t02.wav.shn 1dc173d381007173f8398ae6dd6ff901 *mmw1995-09-17d3t03.wav.shn 12d0a3832f3580b8617e380efb68ae7f *mmw1995-09-17d3t04.wav.shn 3cbfb2608d2403c43bd953897f9efa36 *mmw1995-09-17d3t05.wav.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned