Method from

interface/src/error.rs:128–141

(error: u64)

impl From<u64> for SystemError {
    fn from(error: u64) -> Self {
        match error {
            0 => SystemError::AccountAlreadyInUse,
            1 => SystemError::ResultWithNegativeLamports,
            2 => SystemError::InvalidProgramId,
            3 => SystemError::InvalidAccountDataLength,
            4 => SystemError::MaxSeedLengthExceeded,
            5 => SystemError::AddressWithSeedMismatch,
            6 => SystemError::NonceNoRecentBlockhashes,
            7 => SystemError::NonceBlockhashNotExpired,
            8 => SystemError::NonceUnexpectedBlockhashValue,
            _ => panic!("Unsupported SystemError"),
        }
    }
}

#[cfg(test)]