Errors/Chain errors
BasketSameSubnet
Check the argument values against the operation schema
swap_basket was called with the same origin and destination netuid. A basket trade sells one holding to buy another; pick two different subnets (netuid 0 is the fund's TAO cash slot).
Declared by the SubtensorModule pallet; it classifies to the semantic code invalid_argument.
Declared at pallets/subtensor/src/macros/errors.rs#L387.
Remediation
Check the argument values against the operation schema
The same explanation is available in the terminal: btcli explain BasketSameSubnet.