Error connecting to the workflow manager: Undefined . Nintex Workflow for Office 365

If you are getting this error while creating a Nintex Office 35 workflow. Check this out

https://community.nintex.com/community/support/blog/2014/10/29/error-error-connecting-to-the-workflow-manager-operation-is-not-valid-due-to-the-current-state-of-the-object

Pre-Requisite

- Powershell 3.0 

  https://www.microsoft.com/en-us/download/details.aspx?id=34595

- Sharepoint Online Management Tool

  http://www.microsoft.com/en-us/download/details.aspx?id=35588