Change the meal charge via Tools>Dinner Money>Backdate Meals processed.
Change the date back to the start of the academic year.
Via Tools>Dinner Money>Pupil Meal Definition click serach and select the meal definition you need to amend and change the start date, click save.
Via Tools>Dinner Money>Unlock Meal Processing, put a tick in the tick box and click OK.
Reviewed on 01/08/2019