Worked on the SierraBay12 repository to enhance server reliability by addressing a critical crash scenario in the preferences persistence module. Focused on improving error handling and implementing fallback mechanisms to prevent server crashes caused by JSON encoding failures, the work ensured that user preferences remained available and protected against data loss. Collaborated with other contributors to deliver a robust solution that increased the stability of game server operations. Utilized DM for server-side development, applying skills in error handling and server management to reinforce critical data paths. The changes reduced downtime risk and improved the overall user experience for game players.