Have no live camera feed

I just installed a raspberry pi 3 b+ with a pi camera v2 on my cr10s pro and im not getting any video feed at all

Was there a question?

As a hint:
http://www.catb.org/esr/faqs/smart-questions.html

Ya my question is how do I fix it to get video feed

then provide informations.
octoprint config, logs, picture of the wiring, ....

The wiring it s fine not sure what your talking about with the config and logs I never had one of these before