337a701bd9d746fdb6c44e9073db3872 *los2003-01-28d3t01.shn 890ab9116fdfe4be26697b46f74e3570 *los2003-01-28d3t02.shn 4ac342aa85d972879703d7c531a9d73b *los2003-01-28d3t03.shn 1dc5955e0ba85350de40d93d4f170758 *los2003-01-28d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned