package software-center 16.01+16.04.20160217 failed to install/upgrade: triggers looping, abandoned

Not sure what happened. I just got a notification that something had gone wrong after I logged in, and I clicked through to report it.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: software-center 16.01+16.04.20160217
ProcVersionSignature: Ubuntu 4.4.0-10.25-generic 4.4.3
Uname: Linux 4.4.0-10-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Wed Mar 2 18:40:36 2016
ErrorMessage: triggers looping, abandoned
InstallationDate: Installed on 2012-10-08 (1246 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1
 apt 1.2.4
SourcePackage: software-center
Title: package software-center 16.01+16.04.20160217 failed to install/upgrade: triggers looping, abandoned
UpgradeStatus: Upgraded to xenial on 2016-02-16 (19 days ago)