cannot add employee as contributor to a requisition

Summary:

We are not able to add some employees as contributor to a requisition or a job offer in production. We can in test. Please advise what functionality controls this behavior.

25B was applied to production over the weekend

Content (please ensure you mask any confidential information):

production

Test

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

25B

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