Worked on enhancing the stability and developer experience of the WarpX library loader in the EZoni/WarpX repository, focusing on robust error handling and improved diagnostics. Addressed a critical initialization pathway by implementing explicit checks for uninitialized core components, using Python to catch access to 'warpx' before proper setup. Refactored error messages in key modules to provide clearer guidance, reducing ambiguity and preventing unexpected behavior for users. These changes improved maintainability and lowered support overhead by making error paths more transparent. The work demonstrated depth in library development and error handling, contributing to a more reliable startup process across diverse environments.