bug fix

src/components/ConcernementMapItem.vue

@@ -1784,10 +1784,11 @@ export default {
         } else {
           
           // reset all proximity contrs stroke to white
-          // console.log("this.paper_main_object.children['entites_proximites_references'].getItems({name:'contours'})", this.paper_main_object.children['entites_proximites_references'].getItems({name:'contours'}));
-          this.paper_main_object.children['entites_proximites_references'].getItems({name:'contours'}).forEach((contr) => {
-            contr.strokeColor = '#fff';
-          })
+          if (this.paper_main_object.children['entites_proximites_references']) {
+            this.paper_main_object.children['entites_proximites_references'].getItems({name:'contours'}).forEach((contr) => {
+              contr.strokeColor = '#fff';
+            })
+          }
 
           // lets define some options regarding the map_mode
           let paper_group_tohit;