ICloud – Can log into iCloud on icloud.com but not on the mac book pro

icloud

The case is that I can login on http://icloud.com with my user and password, but when I try to connect the iCloud with my mac book pro is saying "An unknown error occured":

the error is shown when i try to login
Here is my system information:

mac os description
It was working just 3 days ago.

Now when I log in to my mac everything is just clean, even on Google Chrome all cache and sessions are lost.

Best Answer

Fixed by:

  1. Signing out (tried to login again but nothing)

  2. Reboot from terminal with -l:

    sudo -i

reboot -l

  3. Signing in again.

and it worked for me.

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