Wondering if this expected behavior in ArcPro Roads & Highways Branch versioned & Conflict prevention enabled environment?
ArcPro 3.5.2 Roads & Highways Route Realign "errors out" because of event lock on another route
that happens to share one of the centerlines of the route being worked on to edit.
( The realign segment has a totally different centerline that is not shared with the route that has the event lock)