Says no available utxos, though it correctly shows 400000 testnet sats on-chain.
I logged into my server by ssh and attempted to access the lighning-cli command line
sudo ~/umbrel/scripts/app compose core-lightning exec lightningd lightning-cli -lightning-dir=~/umbrel/app-data/core-lightning/data/lightningd
sudo ~/umbrel/scripts/app compose core-lightning exec lightningd lightning-cli help
But docker just gave a mysterious error message about /root/