Manager can see multiple check-in document rows

Summary:

Manager can see multiple check-in document rows in My Team>Performance page.

Content (please ensure you mask any confidential information):

Manager is able to multiple check-in document for the same employee. Manager has multiple assignments (one active and other inactive). How can we prevent manager seeing multiple rows.

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

24B

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