...
To account for the inventory items that were damaged or lost since they were received, you can create an Inventory Write Off manually or generate it on the basis of an Inventory Reconciliation or a Project.
An Inventory Write Off can be used as a basis for a Goods Dispatch Note to register the unavailability of the items in the warehouse.The The Goods Dispatch Note type of documents is available for the warehouse if the Separate Inventory and Financial Documents option is selected on the Administration > Settings > Purchasing and Warehouses form and the Separate Inventory and Financial Documents option is selected in the warehouse master record: on the Warehouses > Master Data > Warehouses form.
The toolbar buttons
To manually create a new document of the Inventory Write Off type, click the Create button on the toolbar.
...