a3b8bdc70a90f570a4d2842d550f0015 *gd70-01-10d2t01.shn f4296efe3e6dc15321cd54722bcffe1d *gd70-01-10d2t02.shn 3987b14206e13a39984388e402fa242b *gd70-01-10d2t03.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned