Подскажите, кто сталкивался с такой проблемой при входе?
Exception in thread "Thread-0"
java.lang.NoClassDefFoundError: sun/misc/BASE64Decoder
at net.A.ll.intsuper.o00000(Unknown Source)
at net.A.ll.O0ooo.o00000(Unknown Source)
at net.minecraft.client.MinecraftApplet.(Unknown Source)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:128)
at java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:350)
at java.base/java.lang.Class.newInstance(Class.java:642)
at net.mcgl.MCGLClassLoader.createApplet(MCGLClassLoader.java:35)
at net.mcgl.MCGLFrame$2.run(MCGLFrame.java:107)
Caused by: java.lang.ClassNotFoundException: sun.misc.BASE64Decoder
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:433)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:586)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519)
... 12 more

В клиенте черный экран.