Can't add remote by "New Remote..." in context menu of "WORKSPACE" in Sidebar

Reproducing step.
1. Select "New Remote..." in context menu of "WORKSPACE" in Sidebar, but it does not add remote by clicking OK button
2. Enter new remote information to Remote Panel, click OK
3. Click OK on Settings Panel without switching "Remotes" tab

If switched "Remotes" tab before step 3, adding new remote successes.