Deleting Document Drafts 
The following procedure explains how to delete documents that were saved as drafts.
From the SAP Business One Main Menu, choose , or .
The Document Drafts - Selection Criteria window appears.
Set the required parameters to display the drafts you want to delete.
Select one draft, and in the menu bar, choose .
The selected document is removed from the list.
In the Document Drafts - Selection Criteria window, choose Update.
Repeat the procedure for each relevant draft.