A business agreement must be entered for Payer

Hi

While creating sales order showing floowing error message

A business agreement must be entered for Payer xxxxxx

if i go in Details  it is showing following messge:

Diagnosis

The field "FI-CA active" is selected for Payer xxxxx in the business partner record, that is, the payment transactions are processed via the R/3 component. A business agreement must be entered for this process.

Procedure

Enter a valid business agreement.

I am not getting where i need to main these settings.currently i am working on CRM 7.0

Can u please help me out to solve this issue

Thanks & Regards

Kishore Kumar