title: Why are we current observing 504 gateway timeout errors when using the excel graph api?
body: <p>Request URL:<a href="https://graph.microsoft.com/v1.0/groups/4c9d60af-5c54-4628-b483-905fd23ed9db/drive/root:/folder/workbook.xlsx:/workbook/worksheets%28%27worksheet1%27%29/tables%28%27table1%27%29/columns%28%27type%27%29/filter/apply" rel="nofollow noreferrer">https://graph.microsoft.com/v1.0/groups/4c9d60af-5c54-4628-b483-905fd23ed9db/drive/root:/folder/workbook.xlsx:/workbook/worksheets%28%27worksheet1%27%29/tables%28%27table1%27%29/columns%28%27type%27%29/filter/apply</a></p>
  
  <p>Request Method:POST
  Status Code:504 Gateway Timeout</p>
  
  <p>{
    "error": {
      "code": "UnknownError",
      "message": "",
      "innerError": {
        "request-id": "71f705fb-3414-46a3-99bf-69b21d494fe0",
        "date": "2017-06-26T11:18:37"
      }
    }
  }</p>