In Sage 100, select Modules > Sales Order > Setup > Sales Order Options.
On the Entry tab, check Enable for Invoice Data Entry.
Click Accept.
Follow this procedure to enable batch processing.
In Sage 100, select Modules > Sales Order > Setup > Sales Order Options.
On the Entry tab, check Enable for Invoice Data Entry.
Click Accept.
Note: If you have unposted invoices/shipments you cannot change this value.