Bugfix/return chain error add

[AssemblyJohn]

Describe your changes

Fixed an issue related to not using std::optional where it was required. Added some extra logging for easier debugging.

Issue ticket number and link

Checklist before requesting a review

• [x] I have performed a self-review of my code
• [ ] I have made corresponding changes to the documentation
• [ ] I read the contribution documentation and made sure that my changes meet its requirements