Class file has wrong version 61.0 should be 52.0 m July 8, 2019 16 32 64 128 Class file has wrong version 61.0 should be 52.0 maven Class file has wrong version 63.0 should be 61.0 Class file has wrong version 61.0 should be 55.0 Class file has wrong version 61.0 should be 56.0 Class file has wrong version 62.0 should be 53.0