Did u have this 3 installed?
gnome-desktop >= 2.32.1
gst-plugins-base >= 0.10.35
gstreamer >= 0.10.35
gstreamer 0.10.35 (yes)
gnome-desktop >= 2.32.1 >= 0.10.35 (yes)
Yes on all counts. So I installed gst-plugins-good, tryed again same problem.
Then I installed gst-plugins-ugly.
This worked and the error message went away.
Now if I can get it to like my webcam.