error Command failed with exit code 1.

[TestMagic0989]

After running this project with yarn start command it opens chrome browser for a second and get closed with below error:
d:\typescript-nightwatch-example>yarn start
yarn run v1.17.3
$ yarn build && yarn setup-selenium && cross-env NODE_CONFIG_DIR=./build/config nightwatch --config=build/nightwatch.conf.js
$ rimraf build && tsc
$ yarn build && node build/scripts/setup-selenium
$ rimraf build && tsc
Starting selenium server in parallel mode... started - PID: 41012

Started child process for: google

google finished.

error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

I did not change anything using as it is. Could you please help me out.