Back End Development and APIs Projects - Exercise Tracker

Help Needed with Exercise Tracker API - Date Formatting Issue:

I am stuck at the /api/users/:_id/logs endpoint. Can anyone help me? Please help me by clicking on my repository link the program code is in the server4.js file

Specific Issue:

The test case #15 is failing:
“The date property of any object in the log array should be a string in dateString format”

My project:

githubLink: GitHub - SakumDisiniPa/back-end-development-and-apis

My browser information:

User Agent is: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Challenge Information:

Back End Development and APIs Projects - Exercise Tracker

i get the same error, and still dont know how to pass it, can you find the solution? I check the response and it have exactly type as the example.
this is my code GitHub - nejato/timestamp-microservices

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