Hi, With Cyril, we discovered that MooseEntity >> children behavior is not as expected. It collects all the items defined in the meta meta model: not only the children but the parents too... childrenEntities should be used instead and consequently TMetaLevelDependency should be defined on MooseEntity. Moreover, #children is also defined on the subclasses of FAMIXScopingEntity as a "Polymorphic accessor to children of this scope in a hierarchical structure (package->subpackages, scope->subscopes)". Cyril and I suggest to deprecate these 3 methods (in FAMIXScopingEntity, FAMIXNamespace, FAMIXPackage) to "childrenOfMyKind", and to change in FAMIXPackage, isKindOf: in allWithSubTypeOf:. Cyril will do the changes next week. Cheers, Vincent !!!************************************************************************************* "Ce message et les pi?ces jointes sont confidentiels et r?serv?s ? l'usage exclusif de ses destinataires. Il peut ?galement ?tre prot?g? par le secret professionnel. Si vous recevez ce message par erreur, merci d'en avertir imm?diatement l'exp?diteur et de le d?truire. L'int?grit? du message ne pouvant ?tre assur?e sur Internet, la responsabilit? de Worldline ne pourra ?tre recherch?e quant au contenu de ce message. Bien que les meilleurs efforts soient faits pour maintenir cette transmission exempte de tout virus, l'exp?diteur ne donne aucune garantie ? cet ?gard et sa responsabilit? ne saurait ?tre recherch?e pour tout dommage r?sultant d'un virus transmis. This e-mail and the documents attached are confidential and intended solely for the addressee; it may also be privileged. If you receive this e-mail in error, please notify the sender immediately and destroy it. As its integrity cannot be secured on the Internet, the Worldline liability cannot be triggered for the message content. Although the sender endeavours to maintain a computer virus-free network, the sender does not warrant that this transmission is virus-free and will not be liable for any damages resulting from any virus transmitted.!!!"