Errors/Chain errors
NotEnoughBalanceToPaySwapColdKey
Fund the signing account or reduce the amount; check with `btcli wallet balance`
The coldkey's free TAO balance cannot cover the coldkey swap cost, which is recycled when the swap executes. Check the balance with btcli wallet balance against the swap cost and top up before scheduling the swap.
Declared by the SubtensorModule pallet; it classifies to the semantic code insufficient_balance.
Remediation
Fund the signing account or reduce the amount; check with btcli wallet balance
The same explanation is available in the terminal: btcli explain NotEnoughBalanceToPaySwapColdKey.