Contributed to the apache/iceberg repository by improving error handling in Flink streaming integrations. Focused on backend development using Java and stream processing, the work centered on enhancing validation error messages within the ScanContext component. By clarifying guidance for snapshot ID and timestamp validation, the changes reduced ambiguity and made troubleshooting more efficient for users integrating Iceberg with Flink. Additionally, a targeted fix to checkArgument messaging further improved the reliability of Flink-Iceberg scans. Throughout the process, code quality and repository standards were maintained, supporting streamlined adoption of these improvements in Flink-based data pipelines and ensuring maintainable backend workflows.