issue in following **Deploy Your First Project to AEM Cloud** while deploying build

issue in following **Deploy Your First Project to AEM Cloud**
https://github.com/adobe/aem-enablement/blob/master/AEMAsACloudService/04_Deploy_Custom_Project/README.md

As per the provided steps in the above URL, every time **my build is failed**.
Didn't understand what could be the issue.
I am beginner for this product.

### Expected Behaviour
As mentioned in the URL
### Actual Behaviour
Build Failed
### Reproduce Scenario (including but not limited to)
Yes, Cane be
#### Steps to Reproduce
Same steps which are given in the URL.
#### Platform and Version
2021.3.5026.20210309T210727Z
#### Sample Code that illustrates the problem
no code,
#### Logs taken while reproducing problem

Read AEMAsACloudService/04_Deploy_Custom_Project/README.md and follow the documented deployment steps. Reproduce the failed build and collect the missing build logs and environment details; done means the project deploys successfully using those instructions.

Written by the indexing model from the issue text.