Andrea Grisafi focused on enhancing output robustness in the cp2k/cp2k repository by addressing a critical bug in the formatting of RI basis set contraction coefficients. Using Fortran and applying expertise in numerical methods and scientific computing, Andrea resolved a field-width overflow issue in the output code, ensuring that the coefficients are now correctly formatted. This fix improved the reliability and reproducibility of downstream parsing and automated workflows, reducing the risk of runtime errors. The work demonstrated careful attention to Fortran I/O formatting and contributed to the overall stability of RI-related output generation within the scientific computing environment of CP2K.