Enter a valid Facebook personal profile URL e.g. https://www.facebook.com/zuck. In order for others to 'Follow' you your account should have 'Followers' set to 'Everybody' (Settings > Followers > 'Who can follow me?').
Enter a valid Facebook personal profile URL e.g. https://www.facebook.com/zuck. In order for others to 'Follow' you your account should have 'Followers' set to 'Everybody' (Settings > Followers > 'Who can follow me?').