I have an error when i'm trying to open my 1.18.2 server.

[Vortex55555]

[22:14:26] [main/INFO] [mixin/]: Compatibility level set to JAVA_17
[22:14:26] [main/INFO] [cp.mo.mo.LaunchServiceHandler/MODLAUNCHER]: Launching target 'forgeserver' with arguments []
[22:14:26] [main/WARN] [mixin/]: Reference map 'yungsbridges.refmap.json' for yungsbridges.mixins.json could not be read. If this is a development environment you can ignore this message
[22:14:26] [main/WARN] [mixin/]: Reference map 'yungsbridges.refmap.json' for yungsbridges_forge.mixins.json could not be read. If this is a development environment you can ignore this message
[22:14:26] [main/WARN] [mixin/]: Reference map 'yungsextras.refmap.json' for yungsextras.mixins.json could not be read. If this is a development environment you can ignore this message
[22:14:26] [main/WARN] [mixin/]: Reference map 'yungsextras.refmap.json' for yungsextras_forge.mixins.json could not be read. If this is a development environment you can ignore this message
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/util/Map$Entry (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/util/Map$Entry (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 63)
[22:14:27] [main/WARN] [mixin/]: Error loading class: java/lang/NullPointerException (java.lang.IllegalArgumentException: Unsupported class file major version 63)
Exception in thread "main" org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:156)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50)
        at [email protected]/cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:110)
        at [email protected]/cpw.mods.cl.ModuleClassLoader.lambda$findClass$16(ModuleClassLoader.java:216)
        at [email protected]/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:226)
        at [email protected]/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:216)
        at [email protected]/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:132)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
        at java.base/java.lang.Class.getDeclaredMethods0(Native Method)
        at java.base/java.lang.Class.privateGetDeclaredMethods(Class.java:3458)
        at java.base/java.lang.Class.getMethodsRecursive(Class.java:3599)
        at java.base/java.lang.Class.getMethod0(Class.java:3585)
        at java.base/java.lang.Class.getMethod(Class.java:2275)
        at MC-BOOTSTRAP/[email protected]/net.minecraftforge.fml.loading.targets.CommonServerLaunchHandler.lambda$launchService$0(CommonServerLaunchHandler.java:32)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.run(Launcher.java:106)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.main(Launcher.java:77)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26)
        at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23)
        at [email protected]/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149)
Caused by: org.spongepowered.asm.mixin.throwables.ClassMetadataNotFoundException: java.lang.NullPointerException
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMethod(MixinPreProcessorStandard.java:754)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transform(MixinPreProcessorStandard.java:739)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:310)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:280)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1288)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:292)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:383)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:365)
        at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363)
        ... 27 more

[ChampionAsh5357]

Seems like you are running a mod for an older version of minecraft (yung's mods).