How to use the storyboard.mainStory.error function in storyboard

}).catch((err) => {
        mainStory.error('scanner', err.message, {attach: err});
        httpEventEmitter.emit(scanError, {error: err, ok: false});
      });

mediastic.use((metadata, next) => {
    mainStory.trace('scanner', 'Working on '+ metadata.path);
    try {
      next();
    } catch (err) {
      mainStory.error('scanner', 'Uncaught exception', {attach: err});
    }
  });

httpServer.on('error', () => {
    mainStory.warn('http', `Port ${String(port)} busy`);
    port += 1;
    if (port >= initialPort + 20) {
      mainStory.error('http', 'Cannot open port (tried 20 times)');
      return;
    }
    httpServer.listen(port);
  });
  httpServer.on('listening', () => {

}).catch((err) => {
      res.send({ok: false, error: 'An error has occured while creating a report'});
      mainStory.error('analytics', 'An error occured', {attach: err});
    });
  });

checkStatus(state.props._id, state.dirtyFields).catch((err) => {
        mainStory.error('tracker', 'Error', {
          attach: err
        });
      });
      return Promise.resolve();

const readOneSpec = (pkgPath: string): OaoSpecs => {
  const pkg = {};
  pkg.pkgPath = pkgPath;
  try {
    pkg.specPath = path.resolve(process.cwd(), pkgPath, 'package.json');
    pkg.specs = JSON.parse(fs.readFileSync(pkg.specPath, 'utf8'));
  } catch (err) {
    mainStory.error(`Could not read package.json at ${pkg.specPath}`);
    throw err;
  }
  const name = pkgPath === '.' ? ROOT_PACKAGE : pkg.specs.name;
  validatePkgName(pkgPath, name);
  pkg.name = name;
  pkg.displayName = name === ROOT_PACKAGE ? 'MONOREPO ROOT' : name;
  return pkg;
};

const validateVersionIncrement = incrementVersionBy => {
  if (INCREMENTS.indexOf(incrementVersionBy) < 0) {
    mainStory.error(
      `Value specified for --increment-version-by: ${chalk.bold(
        incrementVersionBy
      )} is invalid.`
    );
    mainStory.error(
      `It should be one of (${INCREMENTS.join(', ')}), or not specified.`
    );
    if (!DEBUG_SKIP_CHECKS) throw new Error('INVALID_INCREMENT_BY_VALUE');
  }
};

.on('error', function (err) {
        mainStory.error('transcoder', `Couldn't transcode using ffmpeg`, {attach: err})
        reject(err);
      })
      .output(output).run();

}).catch((err) => {
      mainStory.error('artwork-agent', 'Uncaught error', {attach: err});
      fs.unlink(filePath + '.lock');
    });
  }

}).catch((err) => {
      mainStory.error('aquarelle', 'Error while setting album artwwork from URL '+req.body.url, {
        attach: err
      });
      return res.status(500).send({ok: false});
    })