Heat oven to 350. Spray a 9" x 13" baking pan w/ cooking spray. In lg bowl, combine flour, baking powder, baking soda and cinnamon.
In microwaveable bowl, place brown sugar and butter, microwave until melted, 10-30 seconds. Pour into bottom of pan. Sprinkle w/ cranberries and pecans.
In another lg bowl, beat oil and sugar until fluffy. Beat in eggs, stir in vanilla. Beat in flour mix, alternately w/ sour cream. Pour batter over cranberries. Bake 25 mins, or until a toothpick inserted in center comes out clean.