FYI, your SAB api key is in your second screenshot, which isn’t a huge deal if it’s not exposed to the internet and you don’t also post your public ip address, but still…
It’s also difficult to help without the debug logs or any of the information requested in the template:
Sonarr version (exact version): Mono version (if Sonarr is not running on Windows): OS: Debug logs:
I had the same problem, your installation seems to be in docker container and certainly in bridge mode, try the address 172.17.0.1 instead of 10.0.0.73