Worked on stabilizing the tblite TDDFPT OECORR neighbor list workflow within the cp2k/cp2k repository, addressing a crash that previously disrupted TDDFPT OECORR calculations. Applied expertise in Fortran programming and numerical methods to identify and resolve the underlying issue, which improved the reliability and stability of scientific computing simulations. The solution, co-authored with another contributor, reduced the risk of workflow interruptions and enabled longer, more dependable computational runs. This work demonstrated a focused approach to debugging and patch delivery, emphasizing careful analysis and targeted fixes to enhance the robustness of complex scientific software used in computational chemistry research.