package calligra-libs (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/kde4/kplatorcpsscheduler.so', which is also in package calligraplan 1:2.9.2-0ubuntu2

I can not provide any more information.

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: calligra-libs (not installed)
Uname: Linux 3.10.82-39 armv7l
ApportVersion: 2.17.2-0ubuntu1.7
Architecture: armhf
Date: Sat Dec 26 22:43:33 2015
DuplicateSignature: package:calligra-libs:(not installed):trying to overwrite '/usr/lib/kde4/kplatorcpsscheduler.so', which is also in package calligraplan 1:2.9.2-0ubuntu2
ErrorMessage: trying to overwrite '/usr/lib/kde4/kplatorcpsscheduler.so', which is also in package calligraplan 1:2.9.2-0ubuntu2
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4.2
SourcePackage: calligra
Title: package calligra-libs (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/kde4/kplatorcpsscheduler.so', which is also in package calligraplan 1:2.9.2-0ubuntu2
UpgradeStatus: No upgrade log present (probably fresh install)