On a brand new Airbyte installation, with a source of MongoDB and a destination of MySQL, the "Discovering schema" phase of setting up a connection fails with:
Internal message: com.mongodb.MongoCommandException: Command failed with error 40353 (Location40353): 'Invalid $project :: caused by :: FieldPath must not end with a '.'.' on server 192.168.86.20:27017. The full response is {"ok": 0.0, "errmsg": "Invalid $project :: caused by :: FieldPath must not end with a '.'.", "code": 40353, "codeName": "Location40353"}
Failure type: system_error
Presumably this means that the query that Airbyte has generated has something weird and broken in it, but how do I find out what that is and how do I resolve it?