The answer to 'how to fix panel upgrade' is to have a licensed electrician inspect and upgrade your home's electrical panel. Upgrading an electrical panel is a complex task that requires specialized knowledge and skills to ensure the work is done safely and up to code.
A panel upgrade may be necessary if your current panel is outdated, has insufficient capacity, or can no longer safely handle your home's electrical needs. The electrician will assess your current setup, determine the appropriate panel size and configuration, and complete the full upgrade process, which typically involves replacing the entire panel, adding new circuits, and ensuring proper grounding and bonding.