
Choose “Update Differences”, then “Update”
You have opened the Budget Item Details window from the Budget Scenarios - Setup (Scenario - XXX) window. You have changed an amount in one or more of the System column cells, and have chosen the Update button. The total displayed in the Total (System) field does not match the total of the System column cells.
When changing an amount in one or more of the System column cells, choose the Update Differences button before choosing the Update button.