fix: Add error handling for config.yaml

[OliwiaGowor]

Description

Changes proposed in this pull request:

• Added error handling in case there is no config.yaml provided

Related issue(s)
Closes #4495

Definition of done

• The PR's title starts with one of the following prefixes:
  • feat: A new feature
  • fix: A bug fix
  • docs: Documentation only changes
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  • test: Adding tests
  • revert: Revert commit
  • chore: Maintainance changes to the build process or auxiliary tools, libraries, workflows, etc.
• Related issues are linked. To link internal trackers, use the issue IDs like backlog#4567
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