Please read the following post as it covers some requirements of accessing the CCA webui. You basically need to access the CCA from a device with this IP: 10.11.1.1 https://www.photovoltaikforum.com/

I'm currently running this script via docker (using a debian bookworm image)

Command-Line Arguments

• --mqtt-broker:
  MQTT broker address
  default: 192.168.1.250

• --mqtt-port:
  MQTT broker port
  default: 1883

• --mqtt-user:
  MQTT username
  default: ``

• --mqtt-pass:
  MQTT password
  default: ``

• --topic-base:
  Sets the base MQTT topic.
  default: homeassistant/sensor/energy/tigo

• --tigo-router:
  Tigo router IP address
  default: 10.11.1.211

• --device-name-prefix:
  Sets the prefix of the device name in Home Assistant
  default: Tigo Optimizer

• --device-model:
  Model name for the device in Home Assistant
  default: TS4-A-O

• --poll-interval:
  Time in seconds between each poll/publish cycle
  default: 10 seconds

• --timeout:
  Timeout in seconds for requests to the Tigo router
  default: 5 seconds

• --log-file:
  Path to the log file
  default: None

• -debug:
  Enables verbose logging in the command line

Example usage:

python script.py --mqtt-broker 192.168.1.50 --mqtt-port 1884 --mqtt-user myuser --mqtt-pass mypassword --poll-interval 10 --timeout 20 --log-file /path/to/logfile -debug