The wall opening has a yellow light when I make an opening with a dynamo

I made a script to automatically create an opening when an MEP item clashes with a wall, but after the wall opening is made, there is a yellow light around the opening.
Any suggestions to fix this?
Thank you in advance.

It’s the revit 3d background preview from dynamo. You can turn that off from dynamo under the view > background previews section.

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Thank you, it’s done.