A. 1. Save frequently: If you are working with multiple floors, save your project frequently to avoid losing progress in case of a bug. 2. Simplify your design: If you encounter bugs, try simplifying your design by reducing the number of elements on each floor. This can help the software run more smoothly. 3. Restart the project: If bugs persist, consider starting a new project and recreating the design step by step to identify if a specific element is causing the issue.