Cannot modify Gemini Enterprise license count — Error 403 "required field 'name' is missing" / CPE SecurityContext bug

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Hi everyone,

We can’t increase our Gemini Enterprise seat count via the Console. The error we get:

Error: 403 - The required field 'name' is missing in the request.; while enforcing CPE to generate new SecurityContext.

Our setup:

  • Self-service billing account, paying via credit card (monthly)
  • User account has both Organization Administrator and Billing Account Administrator roles
  • This worked without issues previously — the problem started recently

What we’ve tried:

  • Attempted to use billingAccounts.orders/modify API via Cloud Shell with valid OAuth token and Quota Project header — received 400 INVALID_ARGUMENT errors regardless of payload structure
  • Checked Org Policies, VPC Service Controls via Audit Logs (90 days) — zero changes on our side

Has anyone else encountered this? Any suggestions welcome.

Thanks!

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