Warpin question

I had an old pinao track dgitized from a tape, and it appears I had shut the tape off and restarted as there are some blips. So I split at such a spot and after marking measures with tempo points, selected just the 1st section and did a tempo definition and then deleted all the points so it plays in time with the metrome perfectly. The next segment seemed to have moved off the meausre ,ark, so I moved over and then all these yellow lines appeared, I don’t know what they represent or how to deal with them

No one know what’s going on?

I don’t fully understand your question, but the yellow vertical lines are warp markers. Cubase is adjusting the playback of the highlighted event to match the tempo. If you’re trying to get rid of those, I’d move that event to separate time-based track, bounce the selection (to a new audio file), and use the audio editor to remove the warp markers, if they are still in there.