Employee non primary assignment how to view and how is it created?

Summary

Employee non primary assignment how to view and how is it created?

Content

Hello ,
We have an employee and realized in database that has in addition to the primary assignment - a non primary assignment- Both Opened.
1. how can we view in fusion old UI the non assignment Assignment oft the employee ? Assignment ET when I navigate into - person management - employment I don’t know where I can view the non primary assignment

2. What might be the reason for the non primary assignment that was created ? 

see attached file
Thanks a lot
Revital.