Code samples

Resolution

Run this command (change the FriendName to the name of the sensor )
lkpocli community --manager 127.0.0.1:9302 remove_friend --friend 'FriendName' --force

Then 
Run this on the site
lkpocli community --manager localhost:9302 friends

And check that the sensor created the community again.

Run the same command on the sensor and check that you see the site listed on the Claroty-installer community of the sensor 
lkpocli community --manager localhost:9302 friends

Resolution