Username: admin@plnms.com
Password: Password1

URL:

Steps to reproduce:
1. Login to the page.
2. Add 3 investments by any investor ppm class A, Ac1 class B, AC2 ClassA.
3. Now do a class (A to B) change of Primary including all units of class A.

Expected result: From now on include all class changes from A to B only primary and Ac2 class change should happen because Ac1  is already in class B.
Actual result: Ac 1 class change is also happening which is wrong.