MongoServerError: Invalid namespace specified 'local_library/.genres' about content HOT 5 CLOSED

Did you do the challenge? https://developer.mozilla.org/en-US/docs/Learn/Server-side/Express_Nodejs/mongoose#genre_model_-_challenge!

The error seems to indicate that mongodb doesn't know about genres so it is possibly you didn't do that bit?

The populate.db assumes you did (I might need to make that clear - this is something you have to do)

If you did, the next step is to check that your models code matches the worked project here: https://github.com/mdn/express-locallibrary-tutorial/tree/main/models

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Yes, challenge was done. I edited populatedb.js to skip genres and it has the same error with authors. Maybe this is a networking issue with mongodb? I am doing this on my work computer. I also know next to nothing about networking.

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I finally found the problem. My mongodb url looked like:
...mongodb.net/local_library/?retryWrites=true...
When I removed the "/" just before the "?"
...mongodb.net/local_library?retryWrites=true...
It worked. I guess it was just my mistyping.

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Now that I notice it, the error message
Invalid namespace specified 'local_library/.genres'
actually shows the problem. I expect that the "/" after local_library wouldn't be there if genres truly didn't exist and I had typed the correct url.

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Glad you worked it out. Something for me to remember if I see the URL again.

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