select keyerror

[sirex]

https://get.data.gov.lt/datasets/gov/lst/standards/StandardICS?select(_id,ics.notation)

Traceback (most recent call last):
  File "spinta/api.py", line 91, in homepage
    return await create_http_response(context, params, request)
  File "spinta/utils/response.py", line 165, in create_http_response
    return await commands.getall(
        context,
        model,
        request,
        action=action,
        params=params,
    )
  File "spinta/commands/read.py", line 95, in getall
    return render(context, request, model, params, rows, action=action)
  File "spinta/renderer.py", line 22, in render
    return commands.render(
  File "spinta/formats/html/commands.py", line 129, in render
    return _render_model(context, request, model, action, params, data, headers)
  File "spinta/formats/html/commands.py", line 233, in _render_model
    ctx = _build_template_context(
  File "spinta/formats/html/commands.py", line 207, in _build_template_context
    rows, empty = _is_empty(rows)
  File "spinta/formats/html/commands.py", line 161, in _is_empty
    row = next(rows)
  File "spinta/utils/nestedstruct.py", line 15, in flatten
    for v in vals:
  File "spinta/commands/read.py", line 84, in <genexpr>
    rows = (
        commands.prepare_data_for_response(
            context,
            model,
            params.fmt,
            row,
            action=action,
            select=select_tree,
            prop_names=prop_names,
        )
        for row in rows
     )
  File "spinta/formats/html/commands.py", line 295, in prepare_data_for_response
    data = {
        ...
        for prop, val, sel in select_model_props(
            model,
            prop_names,
            value,
            select,
            reserved,
        )
    }
  File "spinta/formats/html/commands.py", line 296, in <dictcomp>
    prop.name: commands.prepare_dtype_for_response(
        context,
        fmt,
        prop.dtype,
        val,
        data=value,
        action=action,
        select=sel,
    )
  File "spinta/formats/html/commands.py", line 393, in prepare_dtype_for_response
    if value['_id'] is None:
KeyError: '_id'