Build error when executing prod package

[mkabiri]

Just trying to make a prod package, but got build error when executing command ./mvnw -Pprod clean package...

[ERROR] error Command failed with exit code 2.
[INFO] info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
[ERROR] error Command failed with exit code 1.
[INFO] info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
[ERROR] error Command failed with exit code 1.
[INFO] info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:25 min
[INFO] Finished at: 2018-11-13T21:10:43+01:00
[INFO] Final Memory: 52M/534M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal com.github.eirslett:frontend-maven-plugin:1.6:yarn (webpack build prod) on project dashboard: Failed to run task: 'yarn run webpack:prod' failed. org.apache.commons.exec.ExecuteException: Process exited with an error: 1 (Exit value: 1) -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles: