title: Why do i have error on SharePointOnlineCredentials ? namespace not found
body: <p>I have CSOM packaged installed as you can see:</p>
  <p><a href="https://i.stack.imgur.com/GqTgu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/GqTgu.png" alt="enter image description here" /></a></p>
  <p>And i cannot install sharepoint package or runtime because it says its not compatible with my version 3.1 ...</p>
  <p>So this is a repeated question, but the thing is i cant comment and in any other post people tell us to install all this packages i talked before... How can i use SharePointOnlineCredentials? Thanks for any help</p>