During February 2026, Ahwlsqja1324 enhanced error handling in the InjectiveLabs/injective-ts repository by refactoring the ConcreteException class. Using TypeScript and focusing on class design and error handling, they resolved conflicts with native Error properties by removing redundant fields and simplifying error paths. This approach reduced the risk of TypeError and improved compatibility across different transpilers. To ensure reliability, they introduced regression tests that verify stack trace preservation and correct behavior of setName and setMessage methods. The work improved maintainability and predictability of error reporting, laying a stronger foundation for future error semantics throughout the codebase.