Correct or delete a delivery
ForOwnerAdminAccountsProject manager
Fix a delivery recorded wrongly, or remove one recorded twice.
A verified delivery cannot be changed. Press Withdraw on it in To verify first.
Correct it
Press Edit on the row. Correct this delivery opens with everything as recorded. The lines are replaced by what is there when you save, so check every line, then press Save delivery.
You cannot change a challan into an invoice, or the other way round.
Delete it
Press the bin on the row, then Delete delivery. Its lines go with it. If it was on an invoice, the invoice simply loses it.