package calligra-libs (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/kde4/kplatorcpsscheduler.so', which is also in package calligraplan 1:2.9.7-0ubuntu3

[joe duran]

after failure package system is broken. attempt to repair fails. further package installs complain about the same package calligra-libs. tried to remove dependent packages krita and calligraplan but unsuccessful.

-Version-
Kernel : Linux 4.1.20-v7+ (armv7l)
Compiled : #867 SMP Wed Mar 23 20:12:32 GMT 2016
C Library : Unknown
Default C Compiler : GNU C Compiler version 5.2.1 20151010 (Ubuntu 5.2.1-22ubuntu2)
Distribution : Ubuntu 15.10
-Current Session-
Computer Name : pi2
User Name : joe (joe)
Home Directory : /home/joe
Desktop Environment : MATE (mate)
-Misc-
Uptime : 2 hours, 32 minutes
Load Average : 0.30, 0.26, 0.27

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: calligra-libs (not installed)
Uname: Linux 4.1.20-v7+ armv7l
ApportVersion: 2.19.1-0ubuntu5
Architecture: armhf
Date: Fri Apr 1 13:36:25 2016
DuplicateSignature: package:calligra-libs:(not installed):trying to overwrite '/usr/lib/kde4/kplatorcpsscheduler.so', which is also in package calligraplan 1:2.9.7-0ubuntu3
ErrorMessage: trying to overwrite '/usr/lib/kde4/kplatorcpsscheduler.so', which is also in package calligraplan 1:2.9.7-0ubuntu3
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
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 1:2.9.7-0ubuntu3
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Launchpad Janitor (janitor)]

[Expired for calligra (Ubuntu) because there has been no activity for 60 days.]