bugfix

dist/vis.js

@@ -27923,7 +27923,7 @@ return /******/ (function(modules) { // webpackBootstrap
     }, {
       key: 'updateShape',
       value: function updateShape(currentShape) {
-        if (currentShape === this.options.shape) {
+        if (currentShape === this.options.shape && this.shape) {
           this.shape.setOptions(this.options);
         } else {
           // clean up the shape if it is already made so the new shape can start clean.

lib/network/modules/components/Node.js

@@ -223,7 +223,7 @@ class Node {
   }
 
   updateShape(currentShape) {
-    if (currentShape === this.options.shape) {
+    if (currentShape === this.options.shape && this.shape) {
       this.shape.setOptions(this.options);
     }
     else {