There is an error in the game output when starting.
*before this it was running fine but after the update it show this error message *
Failed to verify authentication
com.mojang.authlib.exceptions.InvalidCredentialsException: Status: 401
at com.mojang.authlib.exceptions.MinecraftClientHttpException.toAuthenticationException(MinecraftClientHttpException.java:56)
at com.mojang.authlib.yggdrasil.YggdrasilUserApiService.fetchProperties(YggdrasilUserApiService.java:140)
at com.mojang.authlib.yggdrasil.YggdrasilUserApiService.<init>(YggdrasilUserApiService.java:47)
at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.createUserApiService(YggdrasilAuthenticationService.java:158)
at eev.a(SourceFile:677)
at eev.<init>(SourceFile:415)
at net.minecraft.client.main.Main.main(SourceFile:198)
Caused by: MinecraftClientHttpException[type=HTTP_ERROR, status=401, response=null]
at com.mojang.authlib.minecraft.client.MinecraftClient.readInputStream(MinecraftClient.java:85)
at com.mojang.authlib.minecraft.client.MinecraftClient.get(MinecraftClient.java:48)
at com.mojang.authlib.yggdrasil.YggdrasilUserApiService.fetchProperties(YggdrasilUserApiService.java:121)
... 5 more
-------minecraft output logs----
11:24:59.916
Using default game log configuration client-1.12.xml (outputs XML)
11:25:04.031
Building optimized datafixer
11:25:07.454
Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'
11:25:08.914
Failed to verify authentication
com.mojang.authlib.exceptions.InvalidCredentialsException: Status: 401
at com.mojang.authlib.exceptions.MinecraftClientHttpException.toAuthenticationException(MinecraftClientHttpException.java:56)
at com.mojang.authlib.yggdrasil.YggdrasilUserApiService.fetchProperties(YggdrasilUserApiService.java:140)
at com.mojang.authlib.yggdrasil.YggdrasilUserApiService.<init>(YggdrasilUserApiService.java:47)
at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.createUserApiService(YggdrasilAuthenticationService.java:158)
at eev.a(SourceFile:677)
at eev.<init>(SourceFile:415)
at net.minecraft.client.main.Main.main(SourceFile:198)
Caused by: MinecraftClientHttpException[type=HTTP_ERROR, status=401, response=null]
at com.mojang.authlib.minecraft.client.MinecraftClient.readInputStream(MinecraftClient.java:85)
at com.mojang.authlib.minecraft.client.MinecraftClient.get(MinecraftClient.java:48)
at com.mojang.authlib.yggdrasil.YggdrasilUserApiService.fetchProperties(YggdrasilUserApiService.java:121)
... 5 more
11:25:08.926
Setting user: Ichtoloog
11:25:09.109
Backend library: LWJGL version 3.3.1 build 7
11:25:11.095
Narrator library for x64 successfully loaded
11:25:11.328
Failed to retrieve profile key pair
java.io.IOException: Could not retrieve profile key pair
at etr.b(SourceFile:112)
at etr.c(SourceFile:56)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1760)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
11:25:11.329
Reloading ResourceManager: Default
11:25:13.474
Could not authorize you against Realms server: Invalid session id
11:25:18.496
Missing sound for event: minecraft:item.goat_horn.play
11:25:18.496
Missing sound for event: minecraft:entity.goat.screaming.horn_break
11:25:20.361
OpenAL initialized on device OpenAL Soft on Speakers (Realtek(R) Audio)
11:25:20.364
Sound engine started
11:25:20.703
Created: 1024x1024x4 minecraft:textures/atlas/blocks.png-atlas
11:25:20.729
Created: 256x128x4 minecraft:textures/atlas/signs.png-atlas
11:25:20.730
Created: 1024x512x4 minecraft:textures/atlas/banner_patterns.png-atlas
11:25:20.732
Created: 1024x512x4 minecraft:textures/atlas/shield_patterns.png-atlas
11:25:20.735
Created: 256x256x4 minecraft:textures/atlas/chest.png-atlas
11:25:20.736
Created: 512x256x4 minecraft:textures/atlas/beds.png-atlas
11:25:20.737
Created: 512x256x4 minecraft:textures/atlas/shulker_boxes.png-atlas
11:25:21.919
Shader rendertype_entity_translucent_emissive could not find sampler named Sampler2 in the specified shader program.
11:25:22.052
Created: 512x256x0 minecraft:textures/atlas/particles.png-atlas
11:25:22.055
Created: 256x256x0 minecraft:textures/atlas/paintings.png-atlas
11:25:22.056
Created: 256x128x0 minecraft:textures/atlas/mob_effects.png-atlas
11:25:54.080
Connecting to ms.vortexnetwork.net, 25565
11:26:25.041
4256 Datafixer optimizations took 80998 milliseconds

-----end-----
I tried many ways to try fixing this but it doesn't work. Can someone please help?