Worked on the PaddlePaddle/ERNIE repository to enhance reliability and user experience by addressing a key issue in data ingestion. Focused on improving error handling, the developer implemented a targeted bug fix in Python that centralized input length validation and provided clearer, actionable error messages when input data exceeded allowed limits. This approach streamlined data processing workflows and reduced support escalations by embedding concrete resolution steps directly in user-facing messages. The work demonstrated attention to maintainability and consistency, leveraging Python programming and robust error handling techniques to improve the clarity and efficiency of developer interactions with the ERNIE platform.