EVCC: failed booting site: not found: db:6

Energy
1

Hi!

What I did:

  1. Install EVCC in Home Assistant.
  2. Change config a bit, everything works also after restarting
  3. Add Shelly Pro 3EM and be glad it works.
  4. Add Fenecon REST API, wonder why it doesn't ask for host/IP and says "502" when checking.
  5. Abort adding Fenecon and restart EVCC.
  6. See the message failed booting site: not found: db:6
  7. Wonder why you can't see Shelly and Fenecon the configuration link that is mentioned in the browser.
➜ ~ docker exec -it addon_49686a9f_evcc sh
/app # evcc dump --cfg
[main ] INFO 2026/06/27 21:25:59 config file not found, database-only mode
[main ] INFO 2026/06/27 21:25:59 using sqlite database: /root/.evcc/evcc.db?_pragma=busy_timeout(5000)&_pragma=foreign_keys(1)&_pragma=auto_vacuum(INCREMENTAL)
[eebus ] INFO 2026/06/27 21:25:59 Local SKI: b58479f631282c7af0ac379c754fc591eeb0d776
[eebus ] ERROR 2026/06/27 21:25:59 websocket server error: listen tcp :4712: bind: address already in use

Version: `0.309.2`

/app #

Any ideas?

2

What is it?

3

A combined PV inverter with a ESS. FENECON | Home 6,10 & 15
It has both REST/JSON and Modbus.

4

I changed the category for more eyes to see this for you.