docs: private void logConfigurationError(String message, Throwable t) {
  
          setValidConfiguration(false);
          if (LOG.isErrorEnabled()) {
              if (t == null) {
                  LOG.error(Messages.get().getBundle().key(Messages.LOG_EDITOR_CONFIG_ERROR_1, message));
              } else {
                  LOG.error(Messages.get().getBundle().key(Messages.LOG_EDITOR_CONFIG_ERROR_1, message), t);
              }
          }
      }