Widget problem

When I add a widget to desktop from repository it gives me this error For example:
Google Calendar- pyhton script engne can not be created needed for coming events

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: plasma-desktop 4:4.11.11-0ubuntu0.1
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Nov 8 05:30:31 2014
ExecutablePath: /usr/bin/plasma-desktop
InstallationDate: Installed on 2014-11-04 (3 days ago)
InstallationMedia: Kubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=tr_TR.UTF-8
 SHELL=/bin/bash
SourcePackage: kde-workspace
UpgradeStatus: No upgrade log present (probably fresh install)