Class file has wrong version 60.0 should be 55.0 July 8, 2019 16 32 64 128 Class file has wrong version 63.0 should be 61.0 General error during conversion unsupported class file major version 63 Class file has wrong version 55.0 Class file has wrong version 61.0 should be 55.0 (class file version 55.0)