title: Access calendar events with Microsoft Graph using Nodejs
body: <p>I am trying to access Outlook Calendar events endpoint
  From the following graph API app, with the following permissions Calendar.read &amp; Calendar.ReadWrite</p>
  
  <p>I am getting below Error : 
  {
    "error": {
      "code": "OrganizationFromTenantGuidNotFound",
      "message": "The tenant for tenant guid '2491fc8b-6fab-41bb-90be-759045024960' does not exist.",
      "innerError": {
        "request-id": "1653871f-32b8-4e0e-9fe3-dbefdfee4638",
        "date": "2020-04-29T04:06:48"
      }
    }
  }</p>
  
  <p><a href="https://i.stack.imgur.com/7EI8n.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7EI8n.jpg" alt="enter image description here"></a></p>