During November 2024, Yuhang focused on enhancing error handling in the trilinos/Trilinos repository, specifically within the NOX_Petsc_Group component. He addressed a bug in C++ code where unenclosed brackets in std::runtime_error messages hindered error reporting clarity. By correcting the syntax, Yuhang improved the robustness and readability of runtime errors for PETSc group computations, which helps reduce downstream debugging time and supports long-term code maintainability. His work centered on stability rather than new feature development, demonstrating a careful approach to code quality. The patch leveraged his expertise in C++ and error handling to deliver a targeted, low-risk improvement.