diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index eacada6d..5c50865e 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -3,6 +3,7 @@
 ### 2.30.6
 
 – `Fix` – Fix the display of ‘Convert To’ near blocks that do not have the ‘conversionConfig.export’ rule specified
+– `Fix` – The Plus button does not appear when the editor is loaded in an iframe in Chrome
 
 ### 2.30.5
 
diff --git a/src/components/utils/keyboard.ts b/src/components/utils/keyboard.ts
index 62586d57..65d8e614 100644
--- a/src/components/utils/keyboard.ts
+++ b/src/components/utils/keyboard.ts
@@ -47,8 +47,15 @@ export async function getKeyboardKeyForCode(code: string, fallback: string): Pro
     return fallback;
   }
 
-  const map = await keyboard.getLayoutMap();
-  const key = map.get(code);
+  try {
+    const map = await keyboard.getLayoutMap();
 
-  return key || fallback;
+    const key = map.get(code);
+
+    return key || fallback;
+  } catch (e) {
+    console.error(e);
+
+    return fallback;
+  }
 }