Retroactive Pricing :Price update on Partially Received Purchase Order failed

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I am working on this issue to change  the Price on a partially received Purchase order using the retroactive pricing in BPA. 

Steps I have followed 

1. Create BPA for an Item, Line level : Price Break Type : Noncumulative 

2. BPA--> Controls : Enable Retroactive pricing , Uncheck : Reprice Open orders only 

3.  Create PO for the same Item , refer to the BPA , Line Type : Goods

4. Approve PO and Receive partially 

5. Update price on the BPA and Run ESS : Initiate Retroactive price update

6. Verify the PO price : Not updated as per BPA. 

 

I am unsure what am I missing. Did anyone had this issue ?

 

Thanks,