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Failed to save cached accessories to disk error #771

Description

@pelletip

I receive an error in my log, associated with the ewelink plugin, the error says that it Failed to save cached accessories to disk: Cannot serialize accessory 'GatewayRF' - missing associated plugin
it also says that it will the accessories will not persist between restarts until this issue is resolved.

Note that the 4 remotes emulated in the RF gateway are presented and showing up in homebridge, and are working. I am not sure why the RF gateway itself would need to be added as an accessory, this may be a new behaviour since homebridge 2?

Details of your setup.

Homebridge v2.0.2 on raspberry pi 5
Homebridge UI v5.23.0
Node.js v24.16.0
eWelink pluging v12.14.0

  • Which eWeLink devices do you have that are causing issues? Please include product models if applicable.

-Sangmei eWeLink RF Bridge 315MHz & 433MHz Smart Home Automation Module WiFi
manufacturer: Santtong, device model: Santton_RF-2

Please paste any relevant logs below.

[26/05/2026, 19:47:36] [eWeLink] LAN monitoring started.
[26/05/2026, 19:47:36] [eWeLink] [GatewayRF] initialising with options {"logging":"standard"}.
[26/05/2026, 19:47:36] [eWeLink] [3-Toile côté maison] initialising with options {"logging":"standard"}.
[26/05/2026, 19:47:36] [eWeLink] [1 - Toile Cour Arrière ] initialising with options {"logging":"standard"}.
[26/05/2026, 19:47:36] [eWeLink] [Motor] initialising with options {"logging":"standard"}.
[26/05/2026, 19:47:36] [eWeLink] [2 - Toile côté Voisin] initialising with options {"logging":"standard"}.
[26/05/2026, 19:47:36] Failed to save cached accessories to disk: Cannot serialize accessory 'GatewayRF' - missing associated plugin
[26/05/2026, 19:47:36] Your accessories will not persist between restarts until this issue is resolved.
[26/05/2026, 19:47:36] [eWeLink] [GatewayRF] initialised and found locally with IP [192.168.3.216] [28:SANTTON_RF-2].
[26/05/2026, 19:47:36] [eWeLink] ✓ Setup complete. I'm looking for some lovely people to help maintain this plugin, please get in touch on GitHub or Discord if you'd like to help out 😄

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