It can happen, after a [URL=/help/act?type=demote]demotion[/URL], that some buildings become incompatible with their organisation. This action makes it possible to review the latest upgrades of a building, so that it becomes compatible again and fully operational, without having to demolish it completely. The dismantling of a compatible building is also possible. In this case, the action is only available after clicking on the button [I]Show all actions…[/I]