i am using java 11 but console told me has been compiled by a more recent version of the Java Runtime (class file version 60.0), this version of the Java Runtime only recognizes class file versions up ...

Your full server startup from the logs\latest.log: latest.log Your log's error: [21:28:43] [Server thread/ERROR]: Could not load 'plugins\towny-0.99.0.6.jar' in ...