To complete a manual sale adjustment, there are several options.
OPTION 1
Stocktake using the relevant product range.

This process will not have an impact on the sales analysis report.
OPTION 2
Use the product receipt option.

Products can be entered into this screen as both positive and negative quantities.

This process will not have an impact on the sales analysis report.
OPTION 3
An invoice using an internal account.

This process will have an impact on the sales analysis report.