Update problem

Hello , I have a problem on a website I did , www.ullasgroup.it
When I try to update it tells me That Are Not Authorized yet I have a Regular License . Where is the problem ?
Thank you
following the error returned
Aggiornamento tema
Download aggiornamento da https://athemes.com/edd-sl/package_download/MTQ1Mjg4MjE3NDpkNGMxZTM5MGE5ZTE2ZTRhYTA4ODljNTdiZmY0MDNmNzoxODY1NDpmYTQ1MDFiNjEzN2QzZTU3N2E2MzkwODE1OTQxM2U4OTo=…

Download non riuscito. Unauthorized

Hi Alberto,

Sorry, the software we’re using to serve updates has some issues on some servers. I’ll need you to install the Adminer plugin and then send an admin account for me at vlad[at]athemes.com and I’ll fix it.