SSIS :[Pivot [85]] Error: Duplicate pivot key value

Hi All.

I am working on the below data set(source) to  pivot and get desired output format

I have used PIVOT TRANSFORMATION

1. PIVOT KEY : QTY/AMT

SET KEY : MODEL

PIVOT VALUE:VALUE

1. My data is unique at yearmonth,area,product,model,customer level i used sort transformation before pivot to sort all the mentioned columns.

2.In Input columns changed Pivot usage for yearmonth,area,product,model,customer  the colums to 1 

i am not able to resolve the duplicate key issue .can someone please guide me