I asked you yesterday not to make multiple replies in a topic, but you are continuing to do so.
Please edit the first post and delete the second one - I do not want to continually have to do this for you.
Secondly, as a new user you can not tag/mention groups like this.
Finally, you will need to verify that this is not a bug in your own logic first, but please let us know if you can reproduce this behaviour in a test app.