Some changes in Apple School Manager (ASM) interface.
The latest instructions to update the VPP Token:
1. Login Apple School Manager ( https://school.apple.com )
2. Click on Login User’s name and select “Preference”
3. Select “Payment and billing” > (select App)
4. Find “Server Tokens” > Click [Download] > Token will download to your computer
5. Upload the VPP token to ESP Admin Console.