오랜만에 서버를 열려고 준비하려는 와중에 버킷에서 이런식으로 충돌하네요.. 아시는 분 도와주세요

C:\Users\USER\Desktop\마크 서버>java -Xms1G -Xmx2G -jar forge.jar

A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException

        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)

        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.base/java.lang.reflect.Method.invoke(Method.java:568)

        at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:70)

        at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34)

Caused by: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap')

        at net.minecraft.launchwrapper.Launch.<init>(Launch.java:34)

        at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

        ... 6 more

C:\Users\USER\Desktop\마크 서버>pause

계속하려면 아무 키나 누르십시오 . . .