# Disaster! Devices and Groups gone after 8.1.1

**URL:** <https://community.homey.app/t/disaster-devices-and-groups-gone-after-8-1-1/73921>\
**Category:** Questions & Help\
**Tags:** homey-pro\
**Created:** [December 21, 2022, 8:47am UTC](https://community.homey.app/t/disaster-devices-and-groups-gone-after-8-1-1/73921 "2022-12-21T08:47:11Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![robertklep](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robertklep/32/160628_2.png) [@robertklep](https://community.homey.app/u/robertklep)\
**Post date:** [December 22, 2022, 10:01am UTC](https://community.homey.app/t/disaster-devices-and-groups-gone-after-8-1-1/73921/12 "2022-12-22T10:01:12Z")

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> [@Michel\_Bos](#):
>
> Help me, PTP? You mean pressing Interview in the developer environment? I see ?-s in the route of the remaining Hue bulb there, also after interviewing it.

PTP means [Pull The Plug](https://community.homey.app/t/how-to-ptp/17304).

> [@](#):
>
> Another question: Can I reset my Zigbee network, or will I loose all devices then (as with resetting ZWave)?

You will lose all your devices ☹

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