public function removeObjectError($key = null)
    {
        $this->_genericDestroy($key, 'error_list');
        $this->_hasErrors = false;
        return $this;
    }
public function removeObjectError($key = null)
    {
        $this->_genericDestroy($key, 'error_list');
        $this->_hasErrors = false;
        return $this;
    }
public function removeObjectError ( $ key = null ) { $ this -> _genericDestroy ( $ key , 'error_list' ) ; $ this -> _hasErrors = false ; return $ this ; }
remove single error, or all object errors

@param string|null $key
@return Object
remove single error or all object errors