Can't install Facebook Channel app, getting error message, what to do?

[ivovanveghel94]

When installing the Facebook Channel app i get the following error: 

There’s no page at this address

Check the URL and try again, or use the search bar to find what you need.

The app is not getting installed can someone help? and not getting the problem fixed.

[BerlAys]

Did anyone find a solution to this?