On Feb 14, 2018, at 11:19 PM, Jannik Laval &lt;jannik.laval(a)gmail.com&gt; wrote: Dear Moosers, I am trying to use Moose 6.1 (by the way, it is beautiful !) I declared this method that should make visible all RMQLogEntity in the MoosePanel : MooseModel>>allRMQLogEntityGroups <navigation: 'All RMQ Log groups'> ^self allWithType: RMQLogEntity The item "all rmqlogentity" is available in the MoosePanel, but when I click on it, it generate an error (available attached). I probably forget to declare something, but I do not remember which one. Could you help me ? Cheers, Jannik -- ~~Jannik Laval~~ Enseignant-chercheur http://www.jannik-laval.eu http://www.phratch.com http://www.approchealpes.info <error.txt>_______________________________________________ Moose-dev mailing list Moose-dev(a)list.inf.unibe.ch https://www.list.inf.unibe.ch/listinfo/moose-dev