problem BaseLinkerApi.Requests.Orders.GetOrders() with IncludeCustomExtraFields

[piotrtuzimek]

The type 'System.Object' is not a supported dictionary key using converter of type 'System.Text.Json.Serialization.Converters.DefaultObjectConverter'. Path: $.orders[0].custom_extra_fields.74886 | LineNumber: 0 | BytePositionInLine: 1940.

BaseLinkerApi.Requests.Orders.GetOrders requests = new BaseLinkerApi.Requests.Orders.GetOrders();
requests.DateConfirmedFrom = fromDate;
requests.IncludeCustomExtraFields = true;