diff --git a/packages/mindplot/src/components/CommandContext.js b/packages/mindplot/src/components/CommandContext.js
index af0db886..db3c52d6 100644
--- a/packages/mindplot/src/components/CommandContext.js
+++ b/packages/mindplot/src/components/CommandContext.js
@@ -53,7 +53,7 @@ class CommandContext {
   /** */
   createTopic(model) {
     $assert(model, 'model can not be null');
-    return this._designer.nodeModelToNodeGraph(model);
+    return this._designer.nodeModelToTopic(model);
   }
 
   /** */
diff --git a/packages/mindplot/src/components/Designer.ts b/packages/mindplot/src/components/Designer.ts
index ea916d39..18a069e6 100644
--- a/packages/mindplot/src/components/Designer.ts
+++ b/packages/mindplot/src/components/Designer.ts
@@ -408,8 +408,7 @@ class Designer extends Events {
     return this._model;
   }
 
-  /** create a NodeModel for the selected node's child and add it via the ActionDispatcher */
-  private _createChildForSelectedNode(): void {
+  createChildForSelectedNode(): void {
     const nodes = this.getModel().filterSelectedTopics();
     if (nodes.length <= 0) {
       // If there are more than one node selected,
@@ -512,7 +511,7 @@ class Designer extends Events {
     if (!topic.getOutgoingConnectedTopic()) {
       // Central topic and isolated topics ....
       // Central topic doesn't have siblings ...
-      this._createChildForSelectedNode();
+      this.createChildForSelectedNode();
     } else {
       const parentTopic = topic.getOutgoingConnectedTopic();
       const siblingModel = this._createSiblingModel(topic);
@@ -593,7 +592,7 @@ class Designer extends Events {
     // Building node graph ...
     const branches = mindmap.getBranches();
     branches.forEach((branch) => {
-      const nodeGraph = this._nodeModelToTopic(branch);
+      const nodeGraph = this.nodeModelToTopic(branch);
       nodeGraph.setBranchVisibility(true);
     });
 
@@ -628,7 +627,7 @@ class Designer extends Events {
     return this._options.readOnly;
   }
 
-  private _nodeModelToTopic(nodeModel: NodeModel):Topic {
+  nodeModelToTopic(nodeModel: NodeModel):Topic {
     $assert(nodeModel, 'Node model can not be null');
     let children = nodeModel.getChildren().slice();
     children = children.sort((a, b) => a.getOrder() - b.getOrder());
@@ -639,7 +638,7 @@ class Designer extends Events {
     this._workspace.append(result);
     children.forEach((child) => {
       if ($defined(child)) {
-        this._nodeModelToTopic(child);
+        this.nodeModelToTopic(child);
       }
     });
     return result;
diff --git a/packages/mindplot/test/playground/map-render/css/editor.less b/packages/mindplot/test/playground/map-render/css/editor.less
index 211ea210..83a0cda3 100644
--- a/packages/mindplot/test/playground/map-render/css/editor.less
+++ b/packages/mindplot/test/playground/map-render/css/editor.less
@@ -30,12 +30,6 @@ div#mindplot {
     background-size: 50px 50px;
 }
 
-div#small_error_icon {
-    padding-left: 18px;
-    min-height: 16px;
-    background: url(../images/error_icon.png) bottom left no-repeat !important;
-}
-
 .notesTip {
     background-color: #dfcf3c;
     padding: 5px 15px;