lib/plugins/create/create.js/handleServiceCreationError
const handleServiceCreationError = error => {
  if (error.code !== 'EACCESS') throw error;
  const errorMessage = [
    'Error unable to create a service in this directory. ',
    'Please check that you have the required permissions to write to the directory',
  ].join('');

  throw new this.serverless.classes.Error(errorMessage);
};