Conditions elements Add user Role Causing Internal Server Error

I am having an Internal Server error when I am adding a condition to a rule.

1. I go to Rules, add new rule.

2. Name I give is called Medal Redirect.

3. React on Event I choose User has logged in.

4. Click save

5. Under conditions elements, I click add condition.

6. I choose select the condition to add form the drop down user has role(s).

7. Under value I choose my custom role called demo

8. Under match roles it says all.

9. Negate is unticked.

10. I click on save then I receive an error message saying Internal Error 500.