== MCP v4.0 == [20:49] java.lang.UnsupportedClassVersionError: Start : Unsupported major.minor version 51.0 [20:49] at java.lang.ClassLoader.defineClass1(Native Method) [20:49] at java.lang.ClassLoader.defineClassCond(Unknown Source) [20:49] at java.lang.ClassLoader.defineClass(Unknown Source) [20:49] at java.security.SecureClassLoader.defineClass(Unknown Source) [20:49] at java.net.URLClassLoader.defineClass(Unknown Source) [20:49] at java.net.URLClassLoader.access$000(Unknown Source) [20:49] at java.net.URLClassLoader$1.run(Unknown Source) [20:49] at java.security.AccessController.doPrivileged(Native Method) [20:49] at java.net.URLClassLoader.findClass(Unknown Source) [20:49] at java.lang.ClassLoader.loadClass(Unknown Source) [20:49] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) [20:49] at java.lang.ClassLoader.loadClass(Unknown Source) [20:49] Could not find the main class: Start. Program will exit. [20:49] Exception in thread "main" java.lang.UnsupportedClassVersionError: Start : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(Unknown Source) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$000(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) Could not find the main class: Start. Program will exit. Exception in thread "main"