The device has been activated

New Here ,

I hace some problem about use ADE, When I authorize Digital Edition app on my IPad then the pop up show on the below picture. I don’t know how I should do further, deauthorize Adobe Digital Edition on my notebook before open on my IPad? If not, please advise how should I do. Pls help me,

My account of Digital Editions is timebcc@gmail.com

Thank