Business Agreement replication from CRM to ISU

Dear Experts,

i am trying to create the Business greement from webic i am unable to replicate to ISU.

I have mantained the no for Business Agreement internal in CRM and external no range for contract account in the ISU.

No entries where their in Queues when i see in the smw01 error log it says

"No contract account found Message no. BUAG009"

I have maintained tables COM_BUPA_CALL_FU in isu and CRMC_BUT_CALL_FU in crm.

Could You tell me what could be the error how to resolve it am i missing any configuration steps for replication from crm to isu.

Thanks & Regards

Boyz.