Update app/models/address_proxy.rb

Co-authored-by: Colin Darie <[email protected]>

app/models/address_proxy.rb

@@ -47,7 +47,7 @@ def make(champ_or_etablissement)
     case champ_or_etablissement
     when Champ then ChampAddressPresenter.new(champ_or_etablissement)
     when Etablissement then EtablissementAddressPresenter.new(champ_or_etablissement)
-    else raise NotImplementedError("Unknown address")
+    else raise NotImplementedError("Unsupported address from #{champ_or_etablissement.class.name}")
     end
   end
 end