diff --git a/packages/core/src/IteratorContainer.ts b/packages/core/src/IteratorContainer.ts
index 121d5a82..e7a12c04 100644
--- a/packages/core/src/IteratorContainer.ts
+++ b/packages/core/src/IteratorContainer.ts
@@ -76,9 +76,11 @@ class IteratorContainer extends Node {
       }
     }
 
-    config.items?.forEach((element: MNode) => {
-      this.initNode(element, node, map);
-    });
+    if (Array.isArray(config.items)) {
+      config.items?.forEach((element: MNode) => {
+        this.initNode(element, node, map);
+      });
+    }
   }
 
   public setNodes(nodes: MNode[], index: number) {
diff --git a/packages/core/src/Page.ts b/packages/core/src/Page.ts
index 8aaa641a..9e9a8749 100644
--- a/packages/core/src/Page.ts
+++ b/packages/core/src/Page.ts
@@ -79,9 +79,11 @@ class Page extends Node {
       }
     }
 
-    config.items?.forEach((element: MComponent | MContainer) => {
-      this.initNode(element, node);
-    });
+    if (Array.isArray(config.items)) {
+      config.items?.forEach((element: MComponent | MContainer) => {
+        this.initNode(element, node);
+      });
+    }
   }
 
   public getNode<T extends TMagicNode = TMagicNode>(