ecfab7c093125295b61f3272ab5c835c *hartford2000-08-13d1t01.shn fbfcd33906d4003cf5e9ade04719778d *hartford2000-08-13d1t02.shn ea3fbf4d5cc4345af2a1b5a6b4030409 *hartford2000-08-13d1t03.shn a8b072254af5dc6c748dd4ca5a911f46 *hartford2000-08-13d1t04.shn e338a7065aa19f23025036f1dfa9e1a0 *hartford2000-08-13d1t05.shn 1a21cac4081c04fdd2b30d5c6d98b4b5 *hartford2000-08-13d1t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned