XenForo Error accepting 3rd party cookies

C

Comsup

Guest
User upgrades were working fine and now we are experiencing an error when accepting third party cookies. The page that is presented is
webpage.JPG
and it errors out when trying to accept third party cookies (Oops! We ran into some problems. The requested page could not be found). This just started happening and I'm unable to locate the source. The browser console shows
console.JPG
Any help would be appreciated. TIA.

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