Robert enhanced user-facing error messaging in the duckdb-httpfs repository, focusing on URL-based access for r2:// and s3:// protocols. He implemented C++ changes to ensure error messages now display the original user-provided URLs, rather than transformed HTTPS equivalents, improving troubleshooting clarity. By refining error message formatting and aligning with existing httpfs.cpp path handling, Robert improved consistency and readability across HTTP and URL-based access points. The work involved careful code formatting and robust error handling, resulting in low-risk, text-only modifications. These enhancements reduced user confusion, maintained API stability, and contributed to more maintainable support processes without introducing new bugs.