99774212862d8157af4ba366c6d7f83c *eh2001-08-31d2t03.shn 0e609863c78f5d8f45939603c37e4629 *eh2001-08-31d2t01.shn 3c9cf7fda38f0b4130d664dcdd3a57a7 *eh2001-08-31d2t02.shn 7d349ad6ae934a07f64c993908a19d48 *eh2001-08-31d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned