Thanks a lot, Imran, for clearing this.
The Problem seems to arrive at the moment more than one spline (segment) is in the Spline path object.
Option 1:
Use a rail
Option 2:
Set up separate and single path objects
The example on the right, a completely new setup, then merged, is able to reproduce the same problem.
You can use option 1 or 2 for now and /or contact the support.
Examples
https://www.amazon.com/clouddrive/share/V0vAPH5W6xxqTSuWXlbmq1ocPlsjtWWKuZe2oF622Dl
Changing or rotating the points of the profile will cause problems elsewhere. I have checked all options.
All the best