Worked on the nestjs/nest repository to enhance backend developer experience by refining error handling in dependency resolution. Focused on improving the clarity of error messages when unknown dependencies are encountered, the work introduced module-context information directly into error outputs. This adjustment enables developers to more quickly identify and resolve issues related to module dependencies, reducing ambiguity and debugging time. The solution was implemented using TypeScript within the NestJS framework, demonstrating attention to code quality and robust error handling practices. Over the course of the month, the primary contribution centered on backend development and targeted a core pain point for NestJS users.