MongoDB .Net Error

Working with Data Drivers
1

Code:

                var collectiondata = activationkeycollection.Find(new BsonDocument()).ToList();```

    public class AuthorizationKey
    {
        [BsonId]
        public Guid Id { get; set; }
        public string Key { get; set; }
        public bool Active { get; set; }
    }```

Error:
Length must be 16, not 26, when subType is UuidLegacy.
Parameter name: bytes