BMP trace questions

I’ve edited a photo, 2000x2665 in, saved it as a B/W 24bit BMP file. Then I opened Sketchup, ran BMP tracer and run into some weird issues. It wont import the whole photo. Once exploded, it will extrude okay.
Does anyone have some insight as to why this is happening?

original BMP:

You need a white border around everything. Add at least two white pixels to the image (like a frame) and try again.

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That did the trick… Although, I have used these programs before and dont remember having to put a frame around them… I wonder what I was using before. It was before I redid my system, so it’s lost.
Anyway, thanks for the help.


‘I would take comfort to that…’