9774d6e563e9c8afcf22dec0c0ecc888 *gd70-09-20d3t01.shn 7dd991f0966f93ba4b2e673e509c4fce *gd70-09-20d3t02.shn 6e87214e1d1396ff08627a2ff659394f *gd70-09-20d3t03.shn 2b7858b0cf5d61014c7b670b09d74e98 *gd70-09-20d3t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned