1ee32f699126df624b1f39a69125b063 *hday2003-10-07d2t01.shn 5831f52954308194dbc1354f399bd467 *hday2003-10-07d2t02.shn 0e357ff4a02936d7278fe1dcff46080c *hday2003-10-07d2t03.shn fab85fd186fb2afbc0dc317c23fb7fb3 *hday2003-10-07d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned