Error 403 - gam print guardians

[James Haas]

I am running into issues when I run gam print guardians.  The error for some of the students is Error 403: The caller does not have permission.  However I get about 100 of the 194 students.   Any suggestions?  

OAuth File: c:\gam\oauth2.txt

Client ID: 

Secret: 

Scopes:

  https://www.googleapis.com/auth/userinfo.email

  https://www.googleapis.com/auth/admin.directory.group

  https://www.googleapis.com/auth/admin.directory.orgunit

  https://www.googleapis.com/auth/admin.directory.user

  https://www.googleapis.com/auth/admin.directory.device.chromeos

  https://www.googleapis.com/auth/admin.directory.device.mobile

  https://apps-apis.google.com/a/feeds/emailsettings/2.0/

  https://www.googleapis.com/auth/admin.directory.resource.calendar

  https://apps-apis.google.com/a/feeds/domain/

  https://www.googleapis.com/auth/apps.groups.settings

  https://www.googleapis.com/auth/calendar

  https://www.googleapis.com/auth/admin.reports.audit.readonly

  https://www.googleapis.com/auth/admin.reports.usage.readonly

  https://www.googleapis.com/auth/drive.file

  https://www.googleapis.com/auth/apps.licensing

  https://www.googleapis.com/auth/admin.directory.user.security

  https://www.googleapis.com/auth/siteverification

  https://mail.google.com/

  https://www.googleapis.com/auth/admin.directory.userschema

  https://www.googleapis.com/auth/classroom.rosters

  https://www.googleapis.com/auth/classroom.courses

  https://www.googleapis.com/auth/classroom.profile.emails

  https://www.googleapis.com/auth/classroom.profile.photos

  https://www.googleapis.com/auth/classroom.guardianlinks.students

  https://www.googleapis.com/auth/cloudprint

  https://www.googleapis.com/auth/admin.datatransfer

  https://www.googleapis.com/auth/admin.directory.customer

  https://www.googleapis.com/auth/admin.directory.domain

  https://www.googleapis.com/auth/admin.directory.rolemanagement

  https://www.googleapis.com/auth/plus.me

Google Apps Admin: xxxxx...@edgerton.k12.wi.us