Green screen after enabling parental control on some channels

I own a VU+ Duo2 with OpenPLI 4.0

When I zap to a channel with the parental lock enabled I enter the PIN and then after a few seconds I get a green screen and the STB restarts.

I didn't put the parental lock on the Bouquet but on the channels. I just selected the channels to lock from the channel list.

But when I look at the Bouquets with DreamboxEdit I see the locked channels have changed to Red.

I attached some screenshots to explain how Parental Control is setup on my box.

Where can I find the errorlog for the green screen so I can post it?

Thanks in advance!