“There has been a critical error on this website. ” when accessing wp-admin

I can access my site fine, and I can login. When logged in the site shows the admin toolbar across the top, but when I try to access wp-admin, I get

There has been a critical error on this website. Please check your site admin email inbox for instructions.

1. No changes to the site in a long time.
2. No email was sent to the admin email address
3. Renaming the wp-content\plugins via FTP didn’t help.
4. Nothing in wp-admin error_log since 2017.
5. Nothing in plugins error_log since 2018.
6. The admin header bar on the site says there are 6 updates pending.
7. Host system error logs for today are empty
8. Site is running WordPress 6.0.3.

• This topic was modified 21 minutes ago by kwdavids.

The page I need help with: [log in to see the link]