Throw config::Generic() if cannot find algorithm and relationship. In generated method get() throw config::Generic() instead of std::exception. Also fix the text of the exception.
Security Notice: GitLab has uncovered a widespread malicious npm supply-chain attack that potentially can destroy user data. All teams are required to audit packages. Further information can be found under the Computer Security Report for November 2025 and the original blog post in https://about.gitlab.com/blog/gitlab-discovers-widespread-npm-supply-chain-attack/
Throw config::Generic() if cannot find algorithm and relationship. In generated method get() throw config::Generic() instead of std::exception. Also fix the text of the exception.