2 Factor re-directs to a random url

What is the name of the domain?

mydatacentre.homes

What is the issue you’re encountering

I have the Tunnel set to access my casa OS using a subdomain, (site.mywebs.com) but i have 2 factor installed on Cloudflare, so i get the correct page and enter my email it then sends me the code, I enter the code and instead of directing me to site.mywebs.com it sends me to https://mywebs.com/cdn-cgi/access/authorized?nonce=caqOcflHSj1fGLNDc59bzTzUFuwIoDsj.1720028425&state=5d30f038d9fef983a1a5180abea49ffe1bdb1372ad51b7634fdde4a8039e3f86.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%3D%3D

What steps have you taken to resolve the issue?

tried to change the authorisation to google and the same thing happens

Screenshot of the error