Email saying 1 image still needs indexing

I recently uploaded my first files to Adobe Stock.

Several images were rejected with info re how they could be improved (artifacts etc) and two are still under review.

Yesterday evening I received an email saying one of my images still needed indexing.

When I check my Uploaded Files page I see the two images still under review and via another tag the rejected files with info why, but I don't see anywhere where there's an image needing indexing.

I wondering if the email caught me at an earlier stage of uploading the various files?

Also, a second question really - is there a preference for my files in re to dpi, ie, 72, 300, etc?

Thanks so much!

Adan

[Moved out of the critique forum (since there are no images to critique) and into the general Stock contributors support forum by a moderator.]