I've tried a half dozen child metas, the main site's Profile pages are fine but the child meta Profiles are oops. The child meta site's pages (not my profile) work fine.
Examples:
Oops - https://medicalsciences.meta.stackexchange.com/users/current
OK - https://medicalsciences.stackexchange.com/users/current
Oops - https://skeptics.meta.stackexchange.com/users/current
Oops - https://philosophy.meta.stackexchange.com/users/current
Tried logging out and back in. It has been occurring for over 20 minutes.
Error Message:
Oops! Something Bad Happened!
We apologize for any inconvenience, but an unexpected error occurred while you were browsing our site.
It’s not you, it’s us. This is our fault.
Detailed information about this error has automatically been recorded and we have been notified.
Yes, we do look at every error. We even try to fix some of them.
It’s not strictly necessary, but if you’d like to give us additional information about this error, do so at our feedback site, https://meta.stackexchange.com.