My server wont start and I cant figure out why.

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  • I'm trying to get the lastest version of MC Eternal on here but no matter what i do i get the same mesage constantly does anyone know how to fix this.

    • Try to connect to container ...
    • Attached to container.
    • Sun, 16 May 2021 20:21:08 -0400: Starting Gameserver
    • Starting Gameserver now...
    • 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:62)
    • at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    • at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    • 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
    • Gameserver exited without success - 1
    • Exiting now...
    • Connection to container lost.