Dear alifia,
It is a known problem caused by the cinerender add-on. This video explains the issue and the solution to the problem, usually this helps:
https://www.youtube.com/watch?v=F3u1XHktYOI
Otherwise, this thread is also about a similar error message, if the above video doesn't help, see how that turns out, it might help you as well:
http://archicad-talk.graphisoft.com/viewtopic.php?t=58351
Regards,
Daniel Alexander Kovacs
Professional Services Consultant
GRAPHISOFT
For Troubleshooting and useful Tips & Tricks visit