code: def set_config_variable(self, config_id, offset, value):
          
  
          if self.initialized.is_set():
              return [Error.STATE_CHANGE_AT_INVALID_TIME]
  
          config = self._config_variables.get(config_id)
          if config is None:
              return [Error.INVALID_ARRAY_KEY]
  
          error = config.update_value(offset, value)
          return [error]
docs: Set a chunk of the current config value's value.