Purchase requisition not flowing in ECC from APO

Dear all,

I am facing a problem in APO,after running planning run i am able to generate purchase requisition for a particular item but req. is not flowing in ECC.I m doing CCR and etting error 182.I have cecked following things.

1.Purchasig group exists in ECC.

2.Integraion mode for PR and PO is activated for his item.

3.Procurement relationship is active in APO as per Inforecord in ECC.

Thanks in Advance

regards

Vikas

919971996453