Protected content messsage appears after the user is registered with membership 2 plugh

I have enabled to protection to one of the pages on the website. When the user goes to that page, the user is required to register. Even after registering the user, the protected content message shows and the post is not accessible.

It is happening from 2 places when i register. One is when the user registers using the sign up from the front page, and also when the user registers from the link 'Register' from the Protected page.

i have enabled the access. The link to the protection enabled page is,