# MQTT Hub/Gateway **URL:** \ **Category:** Apps\ **Created:** [January 14, 2019, 6:59pm UTC](https://community.homey.app/t/mqtt-hub-gateway/6766 "2019-01-14T18:59:50Z")\ **Posts on this page:** 1\ **Showing post:** 611
**Author:** ![HarriedeGroot](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/harriedegroot/32/56160_2.png) [@HarriedeGroot](https://community.homey.app/u/HarriedeGroot)\ **Post date:** [April 20, 2019, 10:15pm UTC](https://community.homey.app/t/mqtt-hub-gateway/6766/611 "2019-04-20T22:15:24Z")
@roel_hendr There’s a bug in Homey Core. As far as I know: Athom (WeeJeWel) already dealt with it and the next Homey release will (probably) contain the fix. This is all catched by @Jamie (THANKS!) and a temporal solution can be found here: > [@\[APP\]\[Pro\] \< group \> (3.2.4 - Stable)](https://community.homey.app/t/app-group-2-3-1-stable/3168/162): > > @Marcel_Visser there is a work around if you dont want to wait slight_smile Open up [https://developer.athom.com/tools/api-playground](https://developer.athom.com/tools/api-playground) in a private browser. Login Replace the text box with the following Homey.sessions; and hit run. Look for the value next to "id" in the response and copy it. Replace the request test with Homey.sessions.deleteSession({id:'THE ID YOU COPIED'}); and hit run. Restart the group app. it should look something like this ` Homey.sessions.deleteSession({id:'64230x… --- _[View the full topic](https://community.homey.app/t/mqtt-hub-gateway/6766)._