i made a mistake blocking secret, i didnt meant that happen, i was trying to send her a message before i aprove her friend request. sorry.
looks like we both answered at the exact same time, priya is right
Go into account then my items. there you will see blocked users ,click there it will show you who you blocked, and there You can unblock too.
Hope this helps..
Click On My Account, Then My Items. There You Will See Blocked Users. Just Click And Remove The Person You Blocked
