Gstreamer webcam usage error

[Ahmet DEMIR]

Hi,
I want to use the webcam of my laptop in gstreamer to stream a real time
video. I have a problem given in below figure. Is there anybody to help me
to remove this error?
Note: I am using gstreamer 1.0 and linux ubuntu 18.04 OS.
Thanks in advance for the help.
Regards.
[image: Screenshot from 2020-03-11 17-23-48.png]