bug

web/building_saas/main/js/models/calc_program.js

@@ -140,6 +140,13 @@ let calcTools = {
             treeNode.data.fees = [];
             treeNode.data.feesIndex = {};
             treeNode.changed = true;
+        }
+        else if (!treeNode.data.feesIndex){
+            treeNode.data.feesIndex = {};
+            for (let fee of treeNode.data.fees){
+                treeNode.data.feesIndex[fee.fieldName] = fee;
+            };
+            treeNode.changed = true;
         };
     },
     initFeeField: function (treeNode, fieldName){