Worked on the TileDB-Inc/TileDB repository, focusing on improving error handling for POSIX filesystem operations in C++. Addressed a bug where leading whitespace in IOError messages obscured the accuracy of file path reporting, which previously complicated troubleshooting for both developers and users. The solution involved refining the formatting logic to remove unnecessary spaces before file paths in two specific IOError exceptions, ensuring that error outputs now reflect the correct path information. This targeted fix enhanced the maintainability and observability of the codebase, leveraging skills in bug fixing, error handling, and file system operations to streamline the debugging process for future issues.