wtf ojank?

ojank.java

[14:03:22] [main/ERROR] (Minecraft) Failed to verify authentication
 com.mojang.authlib.exceptions.AuthenticationException: Unauthorized
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:119) ~[authlib-2.0.27.jar:?]
	at com.mojang.authlib.yggdrasil.YggdrasilSocialInteractionsService.checkPrivileges(YggdrasilSocialInteractionsService.java:80) ~[authlib-2.0.27.jar:?]
	at com.mojang.authlib.yggdrasil.YggdrasilSocialInteractionsService.<init>(YggdrasilSocialInteractionsService.java:34) ~[authlib-2.0.27.jar:?]
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.createSocialInteractionsService(YggdrasilAuthenticationService.java:152) ~[authlib-2.0.27.jar:?]
	at net.minecraft.client.MinecraftClient.method_31382(MinecraftClient.java:632) [minecraft-20w46a-mapped-net.fabricmc.yarn-20w46a+build.6-v2.jar:?]
	at net.minecraft.client.MinecraftClient.<init>(MinecraftClient.java:405) [minecraft-20w46a-mapped-net.fabricmc.yarn-20w46a+build.6-v2.jar:?]
	at net.minecraft.client.main.Main.main(Main.java:177) [minecraft-20w46a-mapped-net.fabricmc.yarn-20w46a+build.6-v2.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_265]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_265]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_265]
	at net.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:224) [fabric-loader-0.10.6+build.214@net.fabricmc.yarn.20w46a.20w46a+build.6-v2.jar:?]
	at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:141) [fabric-loader-0.10.6+build.214@net.fabricmc.yarn.20w46a.20w46a+build.6-v2.jar:?]
	at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:27) [fabric-loader-0.10.6+build.214@net.fabricmc.yarn.20w46a.20w46a+build.6-v2.jar:?]
	at net.fabricmc.devlaunchinjector.Main.main(Main.java:86) [dev-launch-injector-0.2.1+build.8.jar:?]