Key legal question
Whether the easement had lost all utility under Art. 736(1) CC or only reduced utility under Art. 736(2) CC
Extracted holding
The easement had lost all utility because its exercise had become impossible after the owner's renovations.
Extracted reasoning
The access door remained physically present but now opened onto a void and could no longer be used. The cantonal court should therefore have relied on Art. 736(1) CC, not Art. 736(2) CC.