UpdateGroupParticipants 403 error

[ronaldotantra]

got error 403 when calling UpdateGroupParticipants type ParticipantChangeAdd

my account is already admin on the group
but i can invite them manually from my phone

[ronaldotantra]

        message := ""
	if evt.Message.GetConversation() != "" {
		message = evt.Message.GetConversation()
	}

	words := strings.Split(message, " ")
	data := strings.Split(words[1], "\n")
	groupId := data[0]
	groupJID := types.JID{
		User:   groupId,
		Server: types.GroupServer,
	}
	numbers := data[1:]
	invalid := []string{}
	for _, n := range numbers {
		jids := map[types.JID]whatsmeow.ParticipantChange{}
		if strings.HasPrefix(n, "08") {
			n = strings.Replace(n, "08", "628", 1)
		}
		jids[types.JID{
			User:   n,
			Server: types.DefaultUserServer,
		}] = whatsmeow.ParticipantChangeAdd
		x, err := a.client.UpdateGroupParticipants(groupJID, jids)
		if err != nil {
			return err
		}
		c := x.GetChildrenByTag("add")
		c = c[0].GetChildrenByTag("participant")
		if c == nil {
			continue
		}
		c1 := c[0].Attrs["error"]
		if c1 == nil {
			continue
		}
		v := c1.(string)

		if v == "403" {
			invalid = append(invalid, n)
		}
	}
	c := strings.Join(invalid, "\n")
	msg := &whatsmeow_proto.Message{
		Conversation: &c,
	}
	_, err := a.client.SendMessage(ctx, evt.Info.Chat, msg)
	if err != nil {
		return err
	}

	return nil

[ronaldotantra]

example of message

!invite groupid
0811231231
0811231234
0811231233
0811231234

[arugaz]

You can send GroupInviteMessage