Where can I force T777 for working from home

Even though I have reviewed and redone several times and select the options expenses for working from home and that I work from home and more then 50%, it only gives me options for the taxes and motor vehicle jobs even tho I left them unchecked and said NO

Self-employed

Please clear your browser cache (or use a different browser) and try again. If you are still not able to resolve this issue, please contact our phone support team for more assistance.