Error: Timed out waiting for element to be present (See attached screenshot)

While saving the settings it returns frappe.exceptions.ValidationError: Timed out waiting for element to be present (See attached screenshot).
Screenshot shows 403 Forbidden error.
How to fix it.

<img width="539" height="87" alt="Image" src="https://github.com/user-attachments/assets/2cb1a8d6-08b9-4030-a17b-1d69a4443cfb" />