Worked on enhancing error handling in the ruby/ruby and ruby/json repositories by addressing compatibility issues in JSON error reporting across Ruby versions. Focused on the JSON::GeneratorError#detailed_message method, implementing a version-aware guard to prevent undefined method errors in Ruby versions prior to 3.2. This approach ensured consistent and reliable error messages during JSON generation, reducing debugging time for downstream users. Comprehensive regression tests were added to validate behavior across multiple Ruby versions, demonstrating a test-driven development process. The work utilized Ruby, Ruby on Rails, and robust error handling techniques, contributing to improved stability and developer experience in both repositories.