OpenLP not working on UbuntuStudio 12.04.3

wachin@wachin:~$ openlp -l debug
Logging to: /home/wachin/.cache/openlp/openlp.log
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
kbuildsycoca4 running...
kbuildsycoca4(6806) KBuildSycoca::checkTimestamps: checking file timestamps
kbuildsycoca4(6806) KBuildSycoca::checkTimestamps: timestamps check ok
kbuildsycoca4(6806) kdemain: Emitting notifyDatabaseChanged ()
wachin@wachin:~$