Job Requisitions - Not able set default value for Hiring Manager

Summary:

Hiring Manager field need to be defaulted with Job Requisition creator Name.

We tried to set a default value (valid value) However, the name/value is not getting defaulted.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Oracle Fusion Cloud Applications25C (11.13.25.07.0)

Code Snippet (add any code snippets that support your topic, if applicable):

Setting the default value.

The value is not getting defaulted.

These are valid values available. however it is not setting the default value

Please suggest.