diff --git a/lc_ldap.py b/lc_ldap.py
index 16acbf2..335cae4 100644
--- a/lc_ldap.py
+++ b/lc_ldap.py
@@ -959,6 +959,12 @@ class machine(CransLdapObject):
 
 class AssociationCrans(proprio):
     u""" Association crans (propriétaire particulier)."""
+    def save(self):
+        raise EnvironmentError("AssociationCrans.save(): done.")
+
+    def ressuscite(self, comm, login):
+        raise EnvironmentError("Ressusciter le Crans ? Hum…")
+
     def delete(self, comm, login):
         raise EnvironmentError("Casser le Crans ? Hum…")
     pass