This happens when the customer record has a discount percentage greater than 100% set on the Terms tab in Dimensions. Check and correct this before reposting the invoice.
Click the Debtors tab.
Click Customers.
Locate and open the relevant customer record.
Click the Terms icon.
Review the percentage discount amount in the Total Discount field.
đ Note: If the Total Discount value is greater than 100%, this is the cause of the negative values.
Raise a credit in Dimensions to contra the incorrect invoice.
Then correct the discount percentage on the Terms tab:
Click Edit.
Enter the correct discount percentage in the Total Discount field.
Click Save.
Once the discount is corrected, duplicate the sales invoice in FocalPoint and post it through to Dimensions.