5987e611a5a471686ed56adf1a57ea7c [shntool] gd69-02-21d1t01.shn 02abeaddc069818e16ab161fc9392be0 [shntool] gd69-02-21d1t02.shn 7bf243d661b9f78e9f40600c5a140e08 [shntool] gd69-02-21d1t03.shn 609ee6ed4b272a19110853de39a57379 [shntool] gd69-02-21d2t01.shn 93f88a2aa348a57a1b9d0a6925c9c95d [shntool] gd69-02-21d2t02.shn 6765a8745751dea6c5023eb7797ade78 [shntool] gd69-02-21d2t03.shn 2c9d2bfada1375aed5d8e9d3cc9fc64b [shntool] gd69-02-21d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned