Rgbdslam crahes with Exit code -6

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Hey i am using the GUI version of the rgbdslam. It worked fine earlier but now i am getting a wierd problem .

Whenever i start the node it crashes and gives out the following error.

    Cannot mix incompatible Qt library (version 0x40801) with this library (version 0x40804)
    ================================================================================
REQUIRED process [rgbdslam-1] has died!
    process has died [pid 3190, exit code -6, cmd /home/karan/ros_workspace/rgbdslam_freiburg/rgbdslam/bin/rgbdslam __name:=rgbdslam __log:=/home/karan/.ros/log/14bc0f78-aca3-11e2-bff4-8ca9824e2ee4/rgbdslam-1.log].
    log file: /home/karan/.ros/log/14bc0f78-aca3-11e2-bff4-8ca9824e2ee4/rgbdslam-1*.log
    Initiating shutdown!
    ================================================================================

The headless launch file works fine and i am able to register frames via service calls. So the problem is only GUI related.

It kind of is a problem of the Qt library having 2 versions installed on my system. How can i solve this problem. Any help would be apprecaited.