You have opened a project. Project data > Parts / Devices > Bill of materials navigator. In the tree or list view of the Bill of materials - <Project name> dialog, you have selected the Popup menu > Add item numbers option, in the Number items dialog you have activated the Preview of result check box, and have clicked [OK] to confirm your numbering settings.
If you would like to renumber the particular items or all of the items in your bill of materials, you can display a preview after setting up the numbering settings, which is where you can still make changes.
Overview of the main dialog elements:
Under this heading, the parts data Device tag, Part number, and Item number are displayed as they appear in the current bill of materials; this data can't be edited here.
Since the part data Device tag and Part number may also not be changed in the case of a renumbering, only the new Item number (corresponding to the information entered in the Number items dialog) is displayed; this can be edited here.
Popup menu:
The popup menu provides - depending on the field type (date, integer, multilingual, etc.) - the following menu items:
See also