YAML_FILE_ERROR Message: Unknown runtime version named

• outline

Images used in CodeBuild are various depending on the application version. If the run-time version specified in the buildspec is not supported in the codebuild image, an error occurs as follows.

• error message

Phase context status code: YAML_FILE_ERROR Message: Unknown runtime version named

• how-to-change-image

choose codebuild project -> Environment Edit -> Override image -> choose "image"

• reference

https://docs.aws.amazon.com/codebuild/latest/userguide/available-runtimes.html