我的世界fabric開服教程,保姆級教學(xué)!!

[22:29:18] [ERROR] [FabricLoader/]: Uncaught exception in thread "main"
java.lang.RuntimeException: An exception occurred when launching the server!
at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:71)
Caused by: java.lang.RuntimeException: Error invoking MC server bundler: java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
at net.fabricmc.loader.impl.game.minecraft.BundlerProcessor.process(BundlerProcessor.java:102)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.locateGame(MinecraftGameProvider.java:190)
at net.fabricmc.loader.impl.launch.knot.Knot.createGameProvider(Knot.java:177)
at net.fabricmc.loader.impl.launch.knot.Knot.init(Knot.java:130)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:68)
at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23)
at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69)
Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at net.fabricmc.loader.impl.game.minecraft.BundlerProcessor$1.loadClass(BundlerProcessor.java:65)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at net.fabricmc.loader.impl.game.minecraft.BundlerProcessor.process(BundlerProcessor.java:85)
... 6 more
問一下各位,這是怎么回事,打開start報錯,彈出一個log文件,顯示的就是這個