764412d7724e071303a16502898f777f *jgb84-08-13d2t01.shn 5c61f44b46d9b62d4836449d23980ed3 *jgb84-08-13d2t02.shn d3984f49fa6174215d61990865a2bbb0 *jgb84-08-13d2t03.shn 1de90d0ade488273100adb83f35b52f5 *jgb84-08-13d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned