See ViewIsoForFab.GetDrawings, search P_, you can see there're many things like P_10.endPointRelation.GetRelatedEndPointOrNull(startPoint), it should be endPointRelation.GetRelatedEndPointOrNull(startPoint), and endPointRelation should be a closure in the context
See ViewIsoForFab.GetDrawings, search
P_, you can see there're many things likeP_10.endPointRelation.GetRelatedEndPointOrNull(startPoint), it should beendPointRelation.GetRelatedEndPointOrNull(startPoint), andendPointRelationshould be a closure in the context