Fehler beim Abrufen der Lizenz. Lizenzserver-Kommunikationsfehler: E_LIC_ALREADY_FULFILLED_BY_ANOT

[Bshojaie@]

I have a big problem with my e books .as i updated my Mac book with the new IOS version,i noticed that all the books was gone and the Adobe Digital Edition was empty.i deleted the program as well the Documents which i had in Mac and i re installed again every thing.but i can not still download the e books in Adobe Digital edition with my Adobe ID.i receive a failure about licenses problem!what should i do?

Fehler beim Abrufen der Lizenz. Lizenzserver-Kommunikationsfehler:
E_LIC_ALREADY_FULFILLED_BY_ANOTHER_USER

[sarahe18613768]

we got same error, i tried many steps but nothing helped. I always get the same error...