apport-retrace is correct in that bug 1690502 does not have standard apport information in it so can not be processed. If the bug were a crash and reported by apport it'd be retraceable by apport-retrace and its description would look similar to this bug's description.
** Changed in: apport (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apport in Ubuntu. https://bugs.launchpad.net/bugs/1690506 Title: bug description must contain standard apport format data Status in apport package in Ubuntu: Invalid Bug description: Artful system Fail to use apport-retrace: sudo apport-retrace 1690502 ERROR: Broken report: bug description must contain standard apport format data ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: apport-retrace 2.20.5-0ubuntu1 ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11 Uname: Linux 4.10.0-21-generic x86_64 ApportLog: ApportVersion: 2.20.5-0ubuntu1 Architecture: amd64 CurrentDesktop: GNOME Date: Sat May 13 08:20:24 2017 EcryptfsInUse: Yes PackageArchitecture: all SourcePackage: apport UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1690506/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp