Strange object data show up on polyline

i just noticed there is some OD showing up on a polyline, which i did ran some .net stuff on. but not directly.

it is used as a civil 3d subassembly target, which by reading it's instanteneous width and apply to one of the subassembly parameters.

see picture. i did not put in those OD. funny how it show up. just putting it here for fun. doesn't matter why. don't care, it's not killing anything so no big deal.

ps. oh and i did ask a dude who don't really know what he's doing to join the polyline together for me. width contains 0.5, 1, 1.5 and 2.0m couple hundred of zones.

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