Checklist Status gone to completed without being completed by an employee?

Summary:

Checklist Status gone to completed without being completed by an employee?

Content (please ensure you mask any confidential information):

Hello Team,

Why has checklist Status gone to completed without being completed by an employee?

Note:- We have mentioned the Target duration of 3 days and the Expire duration of 5 days (After the assigned date).

The Task also expired, please refer to the below screenshot.

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

23D

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