Probation Period End is no longer populating the calculated date

Summary

Probation Period End is no longer populating the calculated date when the Probation Period was defaulted

Content

 In the current functionality, in the new Hire Process> Assignment section, when you populate the the field Probation Period, (example 6 months), the Probation Period End Date is automatically populated based on the calculated date. Then we have a requirement to auto default the value in the field "Probations Period" to "6 months". This was approved by the auto complete team. I have implemented the autocomplete rule and the the field " Period Period" has now default value of "6 months" during new hire process. But the problem is, after implementing the autocomplete rule, the Probation Period End Date is no