Add Transaction - Invoice button.
Invoice button in the add transaction screen to select invoices to pay
To fix this problem:
For Debtors:
- Click on the Debtors toolbar option
- Click on the Setup tab
- Tick Update Debtors List in Transaction Entry
- Click on the Close button
For Creditors:
- Click on the Creditors toolbar option
- Click on the Setup tab
- Tick Update Creditors List in Transaction Entry
- Click on the Close button