1st... Photoshop Elements and Premiere Elements are different programs... which do you have
2nd... what error message do you receive?
You will need to give us more detail
Elements Organizer 12 (accessed from Photoshop Elements 12 or Premiere Elements 12) has Share/Facebook.
Only Premiere Elements 12 has Publish+Share/Social Websites/Facebook.
Where is your problem?
Can you upload to Facebook without problems when you do the upload from your computer hard drive to Facebook website, with Photoshop Elements and Premiere Elements out of the equation?