Eclipse gives: “An API baseline has not been set for the current work space.” error

Question

I am using Eclipse Luna. After updating my sandbox, I started getting the following error message in multiple modules. Should I add an API baseline or just have the Eclipse

Answer 1

My issue was resolved. Turns out I did not need the API baseline after all. For the ones who might be curious how to disable this error message (Eclipse Luna):

Windows -> Preferences -> Plug-in Development -> API Baselines

Under Options find Missing API baseline -> If Error is selected change it to Warning or Ignore -> Apply.

For further details check the link posted on greg-449`s comment.