Gazelle does not allow arbitrary modifications to stock quantities. This is done to ensure that the integrity stock quantities is maintained.
- To add stock quantities, you have to create a Purchase. (If you are self producing an item, create a Purchase from (Self Production)). See Purchase article
- To subtract stock quantities because you sell items to customers, create a Sale. See Creating a Sale article
- To subtract stock quantities because you are transferring items from one branch to another, create a Transfer. See Transfer article
Note that some other operations such as Refund, Exchange or Replacement may also alter stock quantities of an item