Catchable fatal error: Object of class WP_Error could not be converted to string in (path to)/in8sworld.net/blog/wp-includes/formatting.php on line 2772
I got the same error.
it’s happend when the email already reg in the site such
as abcde @ gmail.com and and the user try to login with the google account,
the error happened.Is it the bug of openid or the bug of the wordpress…?