Data update issue find

dear team, now find issue in To Collect amount is not update auto when billing in credit mode, to collect amount not update auto, manual Press “Referesh” then update billed amount in total collect amount increse

in this bill one last top bill generated now but not update in To Collect Amount,

12100 amount not include in 127400, when i referesh then 12100 in update

why not update auto…. this is issue find now