VMI Concept and SNP Deployment

Dear Experts ,

I am currently Exploring VMI in SNP

Below steps are done

1) Master Master, plant,PIR,sales order , stock are cif to APO

2) Manually Enter Forecast in the SNP planning book

3) when i run Heuristics i got two PR based or the my demand

4) now when i run SNP deployment , the PR is not picked

5) how to push the PR to ECC 6

Please advice

Thanks & Regards

Raj