Your office balance account balance might be lower than that of the bill you are paying, or even that you have a negative office account balance. This is usually because there are unpaid disbursements contained within bills that need to be settled before you pay your bill.
You can pay Disbursements Unpaid Billed (DUB's) in the following ways:
If the Invoice was posted directly to the matter with no supplier
From DPS home screen, Click Client Postings.
Click Pay Unpaid Disbursements.
Tick Matter Filter, then enter matter number.
Pay the outstanding unpaid Disburemnet filling out the relevant fields.
If the invoice was posted to a supplier
From DPS home screen, Click Purchase ledger.
Click Pay Supplier.
Enter supplier ref.
Complete relevant fields and allocate the payment to the outstanding invoice.