During October 2024, Sanket Shah focused on backend development and database management within the frappe/erpnext repository. He addressed a recurring runtime error in lead attribution workflows by implementing defensive validation to check for the existence of Lead Source and UTM Source doctypes before executing related queries. This Python-based solution eliminated a class of errors that previously disrupted marketing analytics and improved the reliability of downstream reporting. Although the work centered on a single bug fix rather than new features, the targeted approach demonstrated attention to data integrity and robust error handling, contributing to more stable lead processing in the application.