I submitted a while ago a build of an app to the App Store for beta testing with TestFlight. The build was correctly loaded in iTunes Connect and I could sent it to review f
This is temporary. You can check Apple's System Status page.
Member center is under maintenance.
Just go here: https://developer.apple.com/membercenter/index.action and you will be redirected to http://devimages.apple.com/maintenance
And you can always check for the status of developer related Apple services here: https://developer.apple.com/system-status/
I have also face the same issue.It seems apple is doing some maintenance on member center. Try to login with your credentials on apple member center. You will get message.
i believe after maintenance we will be good to go.
Thanks