Phantom/stuck bounding box
Bounding box appears in unusual places when I'm grouping/ungrouping. Then it gets stuck. I cant deselect it, delete, move, un/group, etc. It stays put and I can't get rid of it. Even when undoing my previous actions.

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Skyla, it’d help immensely if you were able to find exact steps to reproduce it with the art you have. And please keep the fil, in case it never happens again.
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Regina, so far I can’t reproduce the issue. How permanent this behavior is for you?
Can you share the file that always work like this for you? Make sure that you have only the part that causes the problem. -
Regina commented
A bounding box appears after using the divide tool. When I select another path to perform another divide action, the tool responds that it can't divide when more than object is selected. The bounding box persists even though the interface says "No Selection" and there is no highlight in the layers panel. The properties panel transform shows an x and y position as well as width and height for the bounding box (which can be moved and resized). Using "Deselect" from the top menu does nothing. I have to save and close the file, and then reopen it to get rid of this bounding box. This affects productivity when I have multiple divide actions to perform.
Illustrator 25.3.1 (64-bit); Windows 10 Enterprise