Hi @NikiiClues! Thank you so much for reaching out!
It looks like you have a CNAME configured for your ssl.fitaddictsmovement.com custom domain rather than for your www subdomain: https://www.whatsmydns.net/#CNAME/ssl.fitaddictsmovement.com
Can you change that CNAME record Host Name to
Thereafter, be sure to set your www version of your custom domain as the default domain and re-publish your site to your custom domain.
Please let me know if this solves the problem.
If not, I’m happy to help further!