If you successfully unblocked someone but search results show an error or an empty page, they may have blocked you back. When two accounts block each other, neither party can view the other's profile, even if one person lifts their block. You will only be able to interact with them again if they also navigate to their settings and unblock your account.
Click the button next to this section to view your active blocked list. how can i unblock someone on facebook
The unblocked person will be able to see your public posts, timeline, and any content you share with the "Public" or "Friends of Friends" privacy settings. If you successfully unblocked someone but search results
Also, keep in mind that if the person deleted their Facebook account while you had them blocked, their name will disappear from your Block list automatically. Click the button next to this section to
Scroll through the list to find the person you wish to unblock. Click the button next to their name.