Empty error fix

[godrei]

Checklist

• [x] I've read and followed the Contribution Guidelines
• [x] step.yml and README.md is updated with the changes (if needed)

Version

Requires a PATCH version update

Context

This PR fixes an issue with the project build configuration search logic, where the related function returned an empty error if no configuration was found.

Changes

• buildConfiguration func returns meaningfully error messages