Zigbee devices not working anymore

I have had a well-running Home Assistant system with Zigbee, Zwave and 433Mhz devices for many months now.
For the past two days I have had nothing but problems with all kinds of Zigbee devices no longer working. They are still neatly listed in the Zigbee2mqtt list, but I only see defects coming in.
My Zigbee network currently contains 91 lamps, smart plugs, sensors and built-in switches from various brands.
Everything from Philips and Aqara still works fine, but devices from Innr, Osram and Tuya (Blitzwolff) no longer work.
Yesterday I got everything that was no longer working working again by reconnecting the devices.
Last night, several lights turned on spontaneously for the second time in a row and could then no longer be turned off via Home Assistant.

I use a Sonoff Zigbee USB 3 dongle plus and was updated with the latest firmware a month ago to get an Aqara sensor.

My question is: are there 91 devices in abundance and is the problem that a recent Home Assistant update could be a reason?

If 91 devices is too many, I will buy a second dongle to distribute the Zigbee network.

This morning I disconnected my mini PC that runs Home Assistant Supervisor for 45 minutes to allow the Zigbee network to recharge, but it didn’t work.

These are some of the error messages I see in Zigbee2Mqtt:

<small>2024-12-13 09:55:10</small>`z2m: Publish 'set' 'state' to 'Media woonkamer' failed: 'Error: ZCL command 0xa4c138741459a136/1 genOnOff.on({}, {"timeout":10000,"disableResponse":false,"disableRecovery":false,"disableDefaultResponse":false,"direction":0,"reservedBits":0,"writeUndiv":false}) failed (Data request failed with error: 'No network route' (205))'`

<small>2024-12-13 10:00:24</small>`z2m: Publish 'set' 'state' to 'Pomp buiten' failed: 'Error: ZCL command 0xa4c1382132ca12cb/1 genOnOff.on({}, {"timeout":10000,"disableResponse":false,"disableRecovery":false,"disableDefaultResponse":false,"direction":0,"reservedBits":0,"writeUndiv":false}) failed (Data request failed with error: 'No network route' (205))'`

<small>2024-12-13 10:00:48</small>`z2m: Publish 'set' 'state' to 'Pomp buiten' failed: 'Error: ZCL command 0xa4c1382132ca12cb/1 genOnOff.off({}, {"timeout":10000,"disableResponse":false,"disableRecovery":false,"disableDefaultResponse":false,"direction":0,"reservedBits":0,"writeUndiv":false}) failed (Data request failed with error: 'No network route' (205))'`

<small>2024-12-13 10:01:12</small>`z2m: Publish 'set' 'state' to 'Pomp buiten' failed: 'Error: ZCL command 0xa4c1382132ca12cb/1 genOnOff.off({}, {"timeout":10000,"disableResponse":false,"disableRecovery":false,"disableDefaultResponse":false,"direction":0,"reservedBits":0,"writeUndiv":false}) failed (Data request failed with error: 'No network route' (205))'`

<small>2024-12-13 10:10:41</small>`z2m: Request 'zigbee2mqtt/bridge/request/device/interview' failed with error: 'interview of 'Pomp buiten' (0xa4c1382132ca12cb) failed: Error: Interview failed because can not get active endpoints ('0xa4c1382132ca12cb')'`

<small>2024-12-13 10:11:21</small>`z2m: Request 'zigbee2mqtt/bridge/request/device/interview' failed with error: 'interview of 'Hal beneden' (0x000d6f0013f013d2) failed: Error: Interview failed because can not get active endpoints ('0x000d6f0013f013d2')'`

<small>2024-12-13 10:11:44</small>`z2m: Request 'zigbee2mqtt/bridge/request/device/interview' failed with error: 'interview of 'Bank' (0x7cb03eaa0a02d6c4) failed: Error: Interview failed because can not get active endpoints ('0x7cb03eaa0a02d6c4')'`

<small>2024-12-13 10:11:59</small>`z2m: Request 'zigbee2mqtt/bridge/request/device/interview' failed with error: 'interview of 'Overloop 1' (0x00158d0004b0beda) failed: Error: Interview failed because can not get active endpoints ('0x00158d0004b0beda')'`

<small>2024-12-13 10:12:04</small>`z2m: Request 'zigbee2mqtt/bridge/request/device/interview' failed with error: 'interview of 'Overloop 2' (0x00158d0004b11fe9) failed: Error: Interview failed because can not get active endpoints ('0x00158d0004b11fe9')'`

I would like to hear your ideas about this problem.

Thank you in advance.

Settings (cog wheel) → about - what is your router/end device count? Also, are you plugging the coordinator straight into the usb port or using an extension cord?

image

the dongle is plugged in directly to the mini pc. No extension cord or hub.

2024-12-13 11_06_41-Zigbee2MQTT – Home Assistant
2024-12-13 11_07_06-Zigbee2MQTT – Home Assistant

Get an extension cord.

Okay but why should this solve it?

Cause your issues indicate interference. Read this Zigbee network optimization: a how-to guide for avoiding radio frequency interference + adding Zigbee Router devices (repeaters/extenders) to get a stable Zigbee network mesh with best possible range and coverage by fully utilizing Zigbee mesh networking

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Thanks, I have connected an usb cord and replaced the dongle.
I will connect all devices again and we will see if it it helped.

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