Photomerge panorama greyed out in elements 12

I have looked everywhere for an answer on how to fix the problem with photomerge panorama being greyed out in the meny even tho i am in expert mode in elements 12. Every link i have found from others who have posted the same question puts me straight to the front page of the community help page here on adobe and i can't access any informatinon on how to fix my problem. and i am getting sick and tired from trying and failing to find any info from the backwards effin site for help adobe has. PLEASE HELP MEEEEE!!!!!!!!!!!