java.lang.UnsupportedClassVersionError: filesys : Unsupported major.minor version 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
        at com.cycling74.max.MXJClassLoaderImpl.doLoadClass(MXJClassLoaderImpl.java:117)
        at com.cycling74.max.MXJClassLoader.loadClazz(MXJClassLoader.java:88)
Could not load class 'filesys'