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Can only get one single document by id in a Firestore collection

I am stuck with a very strange bug and I can't understand why it is happening.
I have a collection in the Google Firestore called previews, in the collection, I have 4 documents that I manually inserted into the Firestore with automatically generated ids.
When I try to get the documents by id, only one of them is retrievable from the JavaScript side. I've been able to reproduce the problem with the query builder of the Firestore:

enter image description here

You can clearly see the documents here with their ids. When I query BEOEGqnl7wBXCB6G4RLP, it works:

enter image description here

But when I query any other document, I get no result, even though they do exist!

enter image description here

I tried to change the properties of the documents, I also thought it may be some invisible space, but I checked that too. I don't see any difference between the documents, except for the data that's in them.

Any idea of what could be wrong?

Thank you!

Via Active questions tagged javascript - Stack Overflow https://ift.tt/FTH1t2w

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