MQTT username and password

@brocaar
Hi.
I have ubuntu server up and running.
I just added authentication to mosquito server.
I am able to connect to mosquito using username and password.
I configured my CHIRPSTACK.TOML:

[integration]
enabled=[“mqtt”]

[integration.mqtt]
server=“tcp://localhost:1883/”
json=true
username=“Myuser”
password=“Mypassword”

The chirpstack service is not running.

What am I doing wrong?

Oct 23 10:34:49 lora chirpstack[20422]: 2023-10-23T07:34:49.592928Z INFO chirpstack::gateway::backend::mqtt: Connecting to MQTT broker region_config_id=us915_4 server_uri=tcp://localhost:1883 clean_session=false client_id=4e4fe4a069a3de97
Oct 23 10:34:52 lora chirpstack[20422]: Error: New MQTT gateway backend error
Oct 23 10:34:52 lora chirpstack[20422]: Caused by:
Oct 23 10:34:52 lora chirpstack[20422]: 0: Connect to MQTT broker
Oct 23 10:34:52 lora chirpstack[20422]: 1: [5] CONNACK return code
Oct 23 10:34:52 lora systemd[1]: chirpstack.service: Main process exited, code=exited, status=1/FAILURE
Oct 23 10:34:52 lora systemd[1]: chirpstack.service: Failed with result ‘exit-code’.
Oct 23 10:34:52 lora systemd[1]: chirpstack.service: Scheduled restart job, restart counter is at 13.
Oct 23 10:34:52 lora systemd[1]: Stopped ChirpStack open-source LoRaWAN Network Server.
Oct 23 10:34:52 lora systemd[1]: Started ChirpStack open-source LoRaWAN Network Server.