Can I end date an element with existing Element Entries ending in year 4712

Summary:

I want to end date an element. Hoping that it will end date the element entries for employees.

Content (required):

But I am receiving this error, is this error related to config like existance of eligibility, Input values or actually mean that element entries exist thats why I cannot end date it.

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

21C

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