My school's VPP token expired. I am trying to update the token. I go to Apple School Manager, then settings, then MDM Servers. I select Meraki (only server) and click download token. It is saved as a p7m.    I then go to Organization, MDM, and go to Apple VPP Servers, click on my account, and select update token. I drag it into the box (I've also tried clicking on box, and selecting p7m file). It just scans it, then says service token cannot be blank.    Any ideas? Thanks.  ... View more