When an opportunity's end date arrives or has passed, the opportunity's qualifications cannot be changed, edited, or new qualifications added. 
  • Select Opportunity>Portfolios>Opportunity, and locate the opportunity in question.
  • Click View.
  • You will land by default on the Details tab.
  • Scroll to the dates area and note the End Date for the opportunity. 
  • If it has passed, you cannot make changes to the qualifications.
Learn more about what to do now: