Fund Check Failed in Requisition and PO

Dear all Guru's

i facing issue when try to approve and reserve in requisition and PO, the message error for budget exception was occur although the fund was available. when i click the View Exception "no results found perform funds check/reserve to view the results". the issue happen for all requisition and PO transaction.

when do fund check from Tools > Check Fund, the result was complete success and i can see View Result html page. but when do Approve and reserve, budgetary control exception and cannot see the View Result html page.

Regards,

Suryadi