SafeDerivationFailed

The canonical bounded search could not derive an off-curve composite account. No fallback account was created. Choose a different signer manifest or derivation index for a new account; retain the original mode and parameters when restoring one.

Declared by the Utility, Multisig, Proxy pallets; it classifies to the semantic code invalid_argument.

Declared at pallets/utility/src/lib.rs#L202, pallets/proxy/src/lib.rs#L926.

Remediation

Check the argument values against the operation schema

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