Problème installation Zigbee2MQTT pour débutant

Oui, j’avais vu ca sur un autre fil :[TUTO] Installation de Zigbee2mqtt et Broker Mosquitto mais du coup c’était peut-etre pour une autre clé…

j’ai supprimé et j’obtiens ça :

[15:02:31] INFO: Preparing to start...
[15:02:33] INFO: Socat not enabled
[15:02:39] INFO: Starting Zigbee2MQTT...
Zigbee2MQTT:info  2024-02-24 15:02:55: Logging to console and directory: '/config/zigbee2mqtt/log/2024-02-24.15-02-55' filename: log.txt
Zigbee2MQTT:info  2024-02-24 15:02:55: Starting Zigbee2MQTT version 1.35.3 (commit #unknown)
Zigbee2MQTT:info  2024-02-24 15:02:55: Starting zigbee-herdsman (0.33.8)
Zigbee2MQTT:info  2024-02-24 15:03:17: zigbee-herdsman started (reset)
Zigbee2MQTT:info  2024-02-24 15:03:17: Coordinator firmware version: '{"meta":{"maintrel":1,"majorrel":2,"minorrel":7,"product":1,"revision":20210708,"transportrev":2},"type":"zStack3x0"}'
Zigbee2MQTT:info  2024-02-24 15:03:17: Currently 0 devices are joined:
Zigbee2MQTT:info  2024-02-24 15:03:17: Zigbee: disabling joining new devices.
Zigbee2MQTT:info  2024-02-24 15:03:18: Connecting to MQTT server at mqtt//core-mosquitto:1883
Zigbee2MQTT:error 2024-02-24 15:03:18: MQTT failed to connect, exiting...
Zigbee2MQTT:info  2024-02-24 15:03:18: Stopping zigbee-herdsman...
Zigbee2MQTT:info  2024-02-24 15:03:29: Stopped zigbee-herdsman