The 4th test keeps on failing on the FCC excercise tracker

Tell us what’s happening:
The 4th test keeps on failing and I have no clue why. When I check my db collection it fails to save exercises. But when I manually input data to the form all is well. This is hard to debug because I am not getting any useful information when the FCC_test_fails.

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Challenge: Exercise Tracker

Link to the challenge:

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Welcome there,

If you look at the route and where the id is:'/api/users/:_id/exercises

Then, look at how you are getting the id:

const _id = new ObjectID(req.body[':_id'])

Also, here is a slightly more useful way i get info from the tests (devtools):

Hope this helps

Thanks i figured it out.

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