Problems with PowerVu

I use a dreambox (newnigma) 7020 HD and oscam unsteable from feed , oscam is finding keys (LOG) for afn but I only get a freezed Picture+ Audio for a second. Can someone help?

I found the mistake:

webIF-->config--> DVB api-->api for extended CWs-->> from OE 2.2 to OE 2.0
I took 4 days to find out....