@ismbr turning into circular reference

@ISMBR("FY

essbase circular reference

in excel it's time consuming to update but doable in essbase its turned into a circular reference even when I try breaking up the process

 

Beginning Bal member takes original data for 2011 Jan

for formula member Beginning Balance to pick up

 

Measures

    Reconciliations   

        Beginning Bal (data is loaded for Jan 2011)

        Beginning Balance formula member

        Total payments

            Payments(+)

            Payment Adjustments(+)

        Total Accruals

           Accruals (+)

           Accrual Adjustments(+)

        Total Payments & Accruals formula member (Total payments + Total Accruals) 

        Ending Balance formula member("Beginning Balance"+ "Total Payments & Accruals")

 

Beginning balance formula

 

IF (@ISMBR("FY 2011") and @ISMBR("JAN"))
     "Beginning Bal";

 

 ELSEIF (@ISMBR("FEB"))
    "Ending Balance" ->"JAN";