Archiving Business Partner data(table BUT000) using CA_BUPA issues

Dear All,

I am trying to Archive Business Partners data using CA_BUPA and getting the following error

Reasons data not archived (several reasons possible)

Due To FICA Dependencies: 1

Contract Accts with this Partner Still Exist

Do I need to archive the contract account first, if yes then which Archiving object can be used?

If no then what is the solution to clear the contract A/C from BP.

All anwers are invited if someone has worked on BP archiving.

Thanks MS