BOM item numbers won't update

I created a BOM but when I went to reorder items within the bill, the item numbers would not change to reflect their new order - in other words item 25 stays item 25 whether it's in the first row or the 30th.

I checked under the "Item Numbers" menu and the "Do not change item numbers" is not selected, the "Follow Assembly order" is not selected, and the item numbers start at item 1 and increment 1. I also checked the document properties and "Automatic update of BOM" is selected.

Am I missing something?

Thanks in advance!

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