Error::RecoveryInProgress(..)=> error_code::raftstore::RECOVERY_IN_PROGRESS, Error::StaleCommand=> error_code::raftstore::STALE_COMMAND, Error::RegionNotInitialized(_)=> error_code::raftstore::REGION_NOT_INITIALIZED, Error::KeyNotInRegion(..)=> error_code::raftstore::KEY_NOT_IN_REGION...