Contact person replication from CRM to ERP BP

Hi,

My requirement is to replicate only the account to ERP BP when the it had changed from prospect to customer.

I have set up the simple intelligence replication in SMOEAC to filter the IS_PROSPECT. So far it works fine for account but not the contact person.

When the account is prospect and contact person is added, replication encountered error and contact person will not be transfered because main partner is not transferred along with contact person.

Again, when the prospect is changed to sold-to, contact person will also not transfer.

Any idea

p/s: Sold To account and contact person are both replicated successfully if both are created at the same time or if contact person is added after account had changed the Sold To.

thanks in advance.

julius