Problems adjusting edges

What can I do to get this edge end fixed?

Please post a .3dm file with the geometry that you are asking about. You can upload the file by clicking on the vertical arrow icon above where you type a post, or by dragging the file to where you type a post.

There you go, man. Really appreciate.
Flutuante fabricação 005.3dm (808.6 KB)

Explode that part, run RebuildEdges. To fix it, delete all of the planar surfaces and make new ones. I’d just loft the top edges, join, and cap.