There is an built in Cam Manager in Peter Pan you have to set that to Common Interface if you want to use and thirdparty-cam manager.
Just press Blue Button to open PP Cam manager and with arrow keys chose CommonInterface. Press green to save
Now you can use your thirdparty cam manager
Just as a hint. If you use any of Gutemines plugins then he has some kill code in his plugins for any other plugins with "Panel" in the name.
Either that plugin will be automatic removed or his plugin will commit suicide and remove them self from your Dreambox ;)