Pascal contributed to the e2nIEE/pandapower repository by enhancing the robustness of the CIM converter, specifically addressing the handling of ACLineSegments with missing terminals. Using Python and leveraging skills in data processing, error handling, and unit testing, Pascal implemented logic to preserve valid segments during conversion, preventing unnecessary data loss and ensuring accurate network modeling. The solution included targeted warning logs to inform users when segments are removed, improving system observability. A regression test was added to safeguard against future issues, and the CHANGELOG was updated to maintain release hygiene. The work demonstrated careful attention to reliability and maintainability.