SAP IHC0 issue

Hi Experts,

The inbound idocs from FI subsidiary to IHC are generated.

But, when I tried posting the Payment order at IHC0 it is not getting posted and also no Outbound idco from IHC is getting generated.

Could any one tell me, what I have to do to post the payment orders in IHC - IHC0 transaction.

Kind Regards,

Srinivas