ICQ 8 cant login

hi guys :confused: I’m disappointed about ICQ 8. Some people are login on to ICQ 8 with no errors,
I’m trying to do the same but there a 2 problems:

  1. if I put my number I can’t log in and it says “Unknown Error”
  2. it has been 2 hours since I can’t log in with my uin pls help me guys :frowning: