When joining world it throws unsupported class version.

org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
General error during conversion: Unsupported class file major version 64

java.lang.IllegalArgumentException: Unsupported class file major version 64
at groovyjarjarasm.asm.ClassReader.(ClassReader.java:199)
at groovyjarjarasm.asm.ClassReader.(ClassReader.java:180)
at groovyjarjarasm.asm.ClassReader.(ClassReader.java:166)
at groovyjarjarasm.asm.ClassReader.(ClassReader.java:287)
at org.codehaus.groovy.ast.decompiled.AsmDecompiler.parseClass(AsmDecompiler.java:81)
at org.codehaus.groovy.control.ClassNodeResolver.findDecompiled(ClassNodeResolver.java:251)
at org.codehaus.groovy.control.ClassNodeResolver.tryAsLoaderClassOrScript(ClassNodeResolver.java:189)
at org.codehaus.groovy.control.ClassNodeResolver.findClassNode(ClassNodeResolver.java:169)
at org.codehaus.groovy.control.ClassNodeResolver.resolveName(ClassNodeResolver.java:125)
at org.codehaus.groovy.ast.decompiled.AsmReferenceResolver.resolveClassNullable(AsmReferenceResolver.java:57)
at org.codehaus.groovy.ast.decompiled.Annotations.createAnnotationNode(Annotations.java:40)
at org.codehaus.groovy.ast.decompiled.DecompiledClassNode.addAnnotations(DecompiledClassNode.java:260)
at org.codehaus.groovy.ast.decompiled.DecompiledClassNode.lambda$createMethodNode$1(DecompiledClassNode.java:233)
at org.codehaus.groovy.ast.decompiled.DecompiledClassNode.createMethodNode(DecompiledClassNode.java:239)
at org.codehaus.groovy.ast.decompiled.DecompiledClassNode.lazyInitMembers(DecompiledClassNode.java:206)
at org.codehaus.groovy.ast.decompiled.DecompiledClassNode.getDeclaredMethods(DecompiledClassNode.java:122)
at org.codehaus.groovy.ast.ClassNode.getDeclaredMethods(ClassNode.java:851)
at org.codehaus.groovy.ast.ClassNode.getMethods(ClassNode.java:866)
at org.apache.groovy.ast.tools.ClassNodeUtils.hasPossibleStaticMethod(ClassNodeUtils.java:244)
at org.codehaus.groovy.ast.ClassNode.hasPossibleStaticMethod(ClassNode.java:1351)
at org.codehaus.groovy.control.StaticImportVisitor.findStaticMethod(StaticImportVisitor.java:568)
at org.codehaus.groovy.control.StaticImportVisitor.findStaticMethodImportFromModule(StaticImportVisitor.java:510)
at org.codehaus.groovy.control.StaticImportVisitor.transformMethodCallExpression(StaticImportVisitor.java:261)
at org.codehaus.groovy.control.StaticImportVisitor.transform(StaticImportVisitor.java:136)
at org.codehaus.groovy.ast.ClassCodeExpressionTransformer.visitExpressionStatement(ClassCodeExpressionTransformer.java:108)
at org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:40)
at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:86)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:164)
at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:138)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:111)
at org.codehaus.groovy.ast.ClassCodeExpressionTransformer.visitConstructorOrMethod(ClassCodeExpressionTransformer.java:66)
at org.codehaus.groovy.control.StaticImportVisitor.visitConstructorOrMethod(StaticImportVisitor.java:110)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:106)
at org.codehaus.groovy.ast.ClassNode.visitMethods(ClassNode.java:1100)
at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1093)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:52)
at org.codehaus.groovy.control.CompilationUnit.lambda$addPhaseOperations$3(CompilationUnit.java:209)
at org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:942)
at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:671)
at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:635)
at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:389)
at groovy.lang.GroovyClassLoader.lambda$parseClass$3(GroovyClassLoader.java:332)
at org.codehaus.groovy.runtime.memoize.StampedCommonCache.compute(StampedCommonCache.java:163)
at org.codehaus.groovy.runtime.memoize.StampedCommonCache.getAndPut(StampedCommonCache.java:154)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:330)
at groovy.lang.GroovyShell.parseClass(GroovyShell.java:526)
at groovy.lang.GroovyShell.parse(GroovyShell.java:538)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:426)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:461)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:436)
at me.shedaniel.slightguimodifications.gui.cts.CtsRegistry.loadScripts(CtsRegistry.java:120)
at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804)
at java.base/java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188)

1 error

[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at org.codehaus.groovy.control.ErrorCollector.failIfErrors(ErrorCollector.java:292)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at org.codehaus.groovy.control.ErrorCollector.addException(ErrorCollector.java:140)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:976)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:671)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:635)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:389)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at groovy.lang.GroovyClassLoader.lambda$parseClass$3(GroovyClassLoader.java:332)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at org.codehaus.groovy.runtime.memoize.StampedCommonCache.compute(StampedCommonCache.java:163)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at org.codehaus.groovy.runtime.memoize.StampedCommonCache.getAndPut(StampedCommonCache.java:154)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:330)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at groovy.lang.GroovyShell.parseClass(GroovyShell.java:526)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at groovy.lang.GroovyShell.parse(GroovyShell.java:538)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at groovy.lang.GroovyShell.evaluate(GroovyShell.java:426)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at groovy.lang.GroovyShell.evaluate(GroovyShell.java:461)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at groovy.lang.GroovyShell.evaluate(GroovyShell.java:436)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at me.shedaniel.slightguimodifications.gui.cts.CtsRegistry.loadScripts(CtsRegistry.java:120)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at java.base/java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808)
[07:52:10] [ForkJoinPool.commonPool-worker-1/INFO]: [STDERR]: at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188)