Hello,<br>First sorry for my bad English<br>when I execute this rule an error is affiched.<br><span style="font-weight: bold;">when</span><br style="font-weight: bold;"><span style="font-weight: bold;"> user1: BnUserValue(name : name)</span><br style="font-weight: bold;"><span style="font-weight: bold;"> and</span><br style="font-weight: bold;"><span style="font-weight: bold;"> ActiviteOut : BnNodeValue()</span><br style="font-weight: bold;"><span style="font-weight: bold;"> and </span><br style="font-weight: bold;"><span style="font-weight: bold;"> lien: BnEdgeValue(id : id, <span style="text-decoration: underline;">OutBnNode : OutBnNode</span>)</span><br style="font-weight: bold;"><span style="font-weight: bold;"> </span><br style="font-weight: bold;"><span style="font-weight: bold;"> </span><br style="font-weight: bold;"><span style="font-weight: bold;">then</span><br style="font-weight: bold;"><span style="font-weight:
bold;"> System.out.println("oui ça marche");</span><br style="font-weight: bold;"><span style="font-weight: bold;"> </span><br style="font-weight: bold;"><span style="font-weight: bold;">end<br></span>the problem is when I remove the object <span style="font-weight: bold;"><span style="text-decoration: underline;">OutBnNode : OutBnNode</span></span><span style="font-weight: bold;"><span style="text-decoration: underline;"> </span></span>the parameter there's not error I want to is this error exist because I can't set parameter with type not String, Integer, Date, ....<br>Best regard <span style="font-weight: bold;"></span><p> 
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