UnsupportedDescriptor

The hashed descriptor version or underlying signing scheme is unsupported. Use the descriptor exported by a wallet version supported by this runtime.

Declared by the HashedAccounts pallet; it classifies to the semantic code invalid_argument.

Declared at pallets/hashed-accounts/src/lib.rs#L261.

Remediation

Check the argument values against the operation schema

The same explanation is available in the terminal: btcli explain UnsupportedDescriptor.