Posted December 29, 20231 yr I get this when I try to open Forge 1.20.4-49.0.11 I have the latest version of Java, I tried a lot of tutorials to solve the problem but anything works Can someone help me? Exception in thread "main" java.lang.IllegalStateException: Duplicate key C:\Users\catal\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\32.1.2-jre\guava-32.1.2-jre.jar (attempted merging values EmbeddedFileSystemMetadata[path=C:\Users\catal\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\32.1.2-jre\guava-32.1.2-jre.jar, fs=C:\Users\catal\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\32.1.2-jre\guava-32.1.2-jre.jar, fsCh=sun.nio.ch.FileChannelImpl@527740a2] and EmbeddedFileSystemMetadata[path=C:\Users\catal\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\32.1.2-jre\guava-32.1.2-jre.jar, fs=C:\Users\catal\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\32.1.2-jre\guava-32.1.2-jre.jar, fsCh=sun.nio.ch.FileChannelImpl@13a5fe33]) at java.base/java.util.stream.Collectors.duplicateKeyException(Collectors.java:135) at java.base/java.util.stream.Collectors.lambda$uniqKeysMapAccumulator$1(Collectors.java:182) at java.base/java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169) at java.base/java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:276) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.AbstractList$RandomAccessSpliterator.forEachRemaining(AbstractList.java:722) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) at cpw.mods.niofs.union.UnionFileSystem.<init>(UnionFileSystem.java:140) at cpw.mods.niofs.union.UnionFileSystemProvider.newFileSystemInternal(UnionFileSystemProvider.java:120) at cpw.mods.niofs.union.UnionFileSystemProvider.newFileSystem(UnionFileSystemProvider.java:101) at cpw.mods.jarhandling.impl.Jar.newFileSystem(Jar.java:216) at cpw.mods.jarhandling.impl.Jar.<init>(Jar.java:89) at cpw.mods.jarhandling.impl.Jar.<init>(Jar.java:73) at cpw.mods.jarhandling.SecureJar.from(SecureJar.java:64) at cpw.mods.jarhandling.SecureJar.from(SecureJar.java:60) at net.minecraftforge.bootstrap.ClassPathHelper.getCleanedClassPathImpl(ClassPathHelper.java:178) at net.minecraftforge.bootstrap.ClassPathHelper.getCleanedClassPath(ClassPathHelper.java:46) at net.minecraftforge.bootstrap.Bootstrap.start(Bootstrap.java:28) at net.minecraftforge.bootstrap.ForgeBootstrap.main(ForgeBootstrap.java:18)
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