Desktop GUI : Node selector on Data page raise always an error with "node not available"

Duniter desktop 1.7.11 on Ubuntu 14.04.

When I select a node in the Data screen to quickly re-sync on it, the node is always not available, then I got an empty form where I must manually type the host and port...

After entering the information, the check button is successful as expected !

Only then I can click to start the sync...

So I think there is a problem with the selector.

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