Worked on the Ericsson/codechecker repository to enhance the reliability of the Diagnostics Tool by addressing error handling in backend workflows. Focused on the get_warnings() function, implementing a Python-based solution that ensures the tool returns an empty list when the diagtool binary is missing, rather than causing a crash. This approach improved the robustness of automated diagnostics by preventing workflow interruptions and reducing downstream errors. Leveraged backend development skills and Python expertise to deliver a targeted bug fix, prioritizing graceful failure modes and safe default behaviors. The work demonstrated attention to stability and maintainability in backend systems, with a focus on reliability.