[For 1.8] Link Tools 1.4.1

[Laird]

Hmm. That's odd. Can you run a query something like this on your database, and tell me what the result is? (Substitute your forum prefix for mybb_ if that's not it):

select count(*) from mybb_url_previews;

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Also, could you tell me whether you're seeing a fourth "Recount & Rebuild" entry, "Rebuild Link Previews for Link Tools"? If you're not (which seems to be the case based on the rounded left-bottom corner below the third entry), then you might have an outdated version of the plugin.