Rebuild a wordpress site

I am experienced with wordpress to a degree from being able build anyting within blocks to site migration and pushing from host to live a few times with both. I have encountered a new issue.

my site is has completely blown up and looks like my rank math plug is dominating all and i have no access to the dashboard so the wordpress app itself has a issue.

I would like to troubleshoot this myself and fix. It doenst matter if it means i file file manager files or rebuild the database, whatever i cant do then i will learn. Can anyone guide me in right direction of where to start? I can provide a link to website if needed.

The app loads but its just text with really and i can see rankmath stuff everywhere. If I try to login after accessing the page through the godaddy admin which should have be logged in I get a error page and this **** url


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