Worked on enhancing user experience in the CollaboraOnline/online repository by delivering user-friendly error messages for system scaling and document migration workflows. Focused on rewording technical errors into clear, actionable guidance, the approach emphasized user-centric design and UX copywriting to reduce confusion and cognitive load during critical operations. Leveraged JavaScript and front end development skills to incrementally update messaging standards within a large, collaborative codebase. The work aligned error handling with real user workflows, ensuring that product behavior matched user expectations and improved overall usability. No major bugs were addressed during this period, with efforts concentrated on feature delivery and messaging clarity.