Sometimes "technical blocks" are just browser glitches. Try using an Incognito/Private window or a different device. 3. You Blocked Yourself (Accidentally)
When you are blocked, Facebook essentially erases the connection between your account and theirs. From your perspective, their profile becomes a ghost—you cannot search for it, and if you have an old chat history, the name becomes “Facebook User.” From their perspective, you simply don’t exist. There is no API call, no URL hack, and no browser extension that can bypass this server-side restriction.
If it was a mistake or you need to apologize, reach out via email , phone , or mutual friends to ask them to unblock you.
When you try to log in, you should see a prompt to submit an appeal.