Minecraft Forge ne se lance pas

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Bonsoir, j'ai un problème avec Minecraft forge en 1.12.2, j'ai déjà tout essayer (passer sous java 7, changer de version de forge, supprimer la variante d'environnement _JAVA_OPTIONS, ...) mais il mets cette erreur :

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/mojang/util/QueueLogAppender : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.apache.logging.log4j.core.config.plugins.util.PluginRegistry.decodeCacheFiles(PluginRegistry.java:181)
at org.apache.logging.log4j.core.config.plugins.util.PluginRegistry.loadFromMainClassLoader(PluginRegistry.java:119)
at org.apache.logging.log4j.core.config.plugins.util.PluginManager.collectPlugins(PluginManager.java:132)
at org.apache.logging.log4j.core.pattern.PatternParser.<init>(PatternParser.java:132)
at org.apache.logging.log4j.core.pattern.PatternParser.<init>(PatternParser.java:113)
at org.apache.logging.log4j.core.layout.PatternLayout.createPatternParser(PatternLayout.java:246)
at org.apache.logging.log4j.core.layout.PatternLayout$SerializerBuilder.build(PatternLayout.java:375)
at org.apache.logging.log4j.core.layout.PatternLayout.<init>(PatternLayout.java:128)
at org.apache.logging.log4j.core.layout.PatternLayout.<init>(PatternLayout.java:58)
at org.apache.logging.log4j.core.layout.PatternLayout$Builder.build(PatternLayout.java:652)
at org.apache.logging.log4j.core.config.AbstractConfiguration.setToDefault(AbstractConfiguration.java:577)
at org.apache.logging.log4j.core.config.DefaultConfiguration.<init>(DefaultConfiguration.java:47)
at org.apache.logging.log4j.core.LoggerContext.<init>(LoggerContext.java:86)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.createContext(ClassLoaderContextSelector.java:171)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:145)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:74)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:227)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
at org.apache.logging.log4j.LogManager.getContext(LogManager.java:174)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:618)
at net.minecraft.launchwrapper.LogWrapper.configureLogging(LogWrapper.java:14)
at net.minecraft.launchwrapper.LogWrapper.log(LogWrapper.java:28)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:94)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


Merci d'avance, ça fais plusieurs heures que je cherche sans succes..
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