Insufficient privileges to complete the operation
What causes it and how to fix it:
- Approving Microsoft Graph permissions for SPFx needs a Global Administrator — Application Administrator is not enoughAPI access requests for Microsoft Graph need Global Administrator (Application Administrator only covers third-party APIs), and admin consent for Graph application permissions such as Sites.Selected is explicitly excluded from Application/Cloud Application Administrator; put the role, with the citation, into the customer's preflightCause and fix →