Newest PS | Big Sur 11.2 I have a PS document that I created with a 2500 x 2700 artboard. After shuffling some of the layers around and doing some minor edits, I suddenly noticed this rectangular blue line on the canvas. I can't select it with the Move tool, Path Selection, Direct Selection, can't hide it (CMD+H or CMD +;). I jumped back history states, but it's still there. I deleted the artboard, leaving just the layers and it's still there. I turned off all of my layers - still there. I did just discover that when I resized the widths of two vector rectangles, both selected and equal in width, via the Properties panel, I saw the blue outline. What is this thing and how do I get rid of it?
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