Error adding items: 397 Object reference not set to an insta

[HiTechHiTouch]

I'm scanning a VIDEO_TS folder with a lot of hard links. At the end, this message box pops up.

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DuplicateCleaner
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Error adding items: 397
Object reference not set to an instance of an object.
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OK
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Here's the results window:

I then see an empty Duplicate Files tab, and a Duplicate Folders tab with one pair containing 2 folders. I expected the Dup Files tab to have a couple of large groups, each containing one file and many hard links to that file.

The search settings:

What else would you like to see, pray tell?

[DigitalVolcano]

Hmm, is this 3.0.8?

[HiTechHiTouch]

Yes, 3.0.8. Sorry I didn't mention it, my bad.

[DigitalVolcano]

Thanks,
Bug confirmed, when hard links present in list and set to be ignored.
Bug was introduced 3.0.7. Will fix in update 3.0.9.
Apologies!