You are seeing this error because the view for PagesController::documents/PL_Horse_Boarding_Hobby_Loss.pdf() could not be found.
If you want to customize this error message, create app/views/errors/missing_view.thtml.
Fatal: Confirm you have created the file : /home/pelino/pelino.com/app/views/pages/documents/p_l__horse__boarding__hobby__loss.pdf.thtml