Superflat preset crash

I tried to create a superflat world with preset: "minecraft:barrier,minecraft:light_gray_concrete;minecraft:oceanmonument(spacing=10 separation=2),decoration" and the game crashed!!

Crash report:

Description: mouseClicked event handler
:worldgen/biome / minecraft:java.lang.IllegalStateException: Missing: ResourceKey[minecraft]

Game Output:

Reported exception thrown! u:

mouseClicked event handler

at dot.a(SourceFile:440)

at dka.a(SourceFile:92)

at dka.c(SourceFile:162) at dka$$Lambda$3019/345707766.run(Unknown Source)

at aob.execute(ThreadTaskExecutor.java:104) at dka.b(SourceFile:162)

at dka$$Lambda$2355/117542036.invoke(Unknown Source)

atorg.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method)

at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3101)

at com.mojang.blaze3d.systems.RenderSystem.flipFrame(SourceFile:109)

at dez.e(MainWindow.java:384) at djz.e(SourceFile:1068) at djz.e(SourceFile:681)

at net.minecraft.client.main.Main.main(SourceFile:215)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497)

at net.minecraft.launchwrapper.Launch.launch(Launch.java:159)

at net.minecraft.launchwrapper.Launch.main(Launch.java:30) Caused by: java.lang.IllegalStateException: Missing: ResourceKey[minecraft:worldgen/biome / minecraft:] at gm.d(SourceFile:378) at doq.b(SourceFile:276)

at doq$$Lambda$3466/2097375644.get(Unknown Source)

at cpf.e(SourceFile:188) at cpf.c(SourceFile:131)

at chl.<init>(SourceFile:26) at dsl.a(SourceFile:105)

at dsl$$Lambda$3428/386349248.accept(Unknown Source)

at dnv.b(SourceFile:88)

at dnv$$Lambda$3431/387395627.onPress(Unknown Source)

at dlj.b(SourceFile:33) at dld.a(SourceFile:16) at dlh.a(SourceFile:149) at dmh.a(SourceFile:27) at dka.b(SourceFile:92)

at dka$$Lambda$3020/676968934.run(Unknown Source) at dot.a(SourceFile:435) ... 20 more