Your best option is to contact blockchain.info support and ask them for assistance. If you are getting an error like that, it sounds like you have the email address wrong, or b.info's system is broken. They are the only ones who can figure out which and help you sort this issue.
Contacted blockchain.info. Its 24 hours now no reply
I hope i will get reply soon.
Not that is is a matter here, but is is important to have the correct time set of your computer or 2fa device. Just a sidenote as many have failed on.