title: AWS CodePipeline, build failed and getting error
body: <p>I am trying build and Angular7 project and deploy to S3 but am getting the following error. How can I resolve it?</p>
  
  <pre><code>[Container] 2019/05/21 04:08:49 Waiting for agent ping 
  [Container] 2019/05/21 04:08:51 Waiting for DOWNLOAD_SOURCE 
  [Container] 2019/05/21 04:08:56 Phase is DOWNLOAD_SOURCE 
  [Container] 2019/05/21 04:08:56 CODEBUILD_SRC_DIR=/codebuild/output/src345798432/src/git-codecommit.us-east-1.amazonaws.com/v1/repos/CodeCommit-May20 
  [Container] 2019/05/21 04:08:56 YAML location is /codebuild/readonly/buildspec.yml 
  [Container] 2019/05/21 04:08:56 Processing environment variables 
  [Container] 2019/05/21 04:08:56 Moving to directory /codebuild/output/src345798432/src/git-codecommit.us-east-1.amazonaws.com/v1/repos/CodeCommit-May20 
  [Container] 2019/05/21 04:08:56 Phase complete: DOWNLOAD_SOURCE State: FAILED 
  [Container] 2019/05/21 04:08:56 Phase context status code: YAML_FILE_ERROR Message: This build image requires selecting at least one runtime version. 
  </code></pre>