To many activations can't activate - Ebook DRM Adobe

Hello there,

i just trying to activate Bluereader or Aldiko.. etc.. for read an eBook/PDF DRM Protected that i have regulary bought a couple of month ago. I have buy also 2 a new smartphone and tablet.. now the problem is that when i try to activate my device, return me error.. TOO MANY ACTIVATIONS (in Italian) can't authorize more.

???

I don't find where in my Adobe Account i can reset the permits.

I can't access to old device for deactivate it then.. i can't read the book i bought!

What can i do?

Thanks for fast reply

Stefano