Invalid player data when you enter in the world

OS: Arch Linux

DE: KDE PLASMA

When i enter in my world player data broke

Log Information about it:

[14:43:37] [Server thread/INFO]: Starting integrated minecraft server version 25w41a

[14:43:37] [Server thread/INFO]: Generating keypair

[14:43:37] [Server thread/INFO]: Loading 0 persistent chunks...

[14:43:37] [Server thread/INFO]: Preparing spawn area: 16%

[14:43:38] [Server thread/INFO]: Loading 49 chunks for player spawn...

[14:43:38] [Server thread/INFO]: Preparing spawn area: 16%

[14:43:38] [Server thread/INFO]: Time elapsed: 816 ms

[14:43:40] [Server thread/ERROR]: Couldn't place player in world

aa: Loading entity NBT

at cfg.d(SourceFile:2336) ~[minecraft-25w41a-client.jar:?]

at java.base/java.util.Optional.ifPresent(Optional.java:178) ~[?:?]

at ayw$b.a(SourceFile:197) ~[minecraft-25w41a-client.jar:?]

at ayw.a(SourceFile:92) ~[minecraft-25w41a-client.jar:?]

at aym.a(SourceFile:181) ~[minecraft-25w41a-client.jar:?]

at acx.a(SourceFile:22) ~[minecraft-25w41a-client.jar:?]

at acx.a(SourceFile:8) ~[minecraft-25w41a-client.jar:?]

at xq$a.a(SourceFile:55) ~[minecraft-25w41a-client.jar:?]

at xq.b(SourceFile:38) ~[minecraft-25w41a-client.jar:?]

at net.minecraft.server.MinecraftServer.A(SourceFile:782) ~[minecraft-25w41a-client.jar:?]

at net.minecraft.server.MinecraftServer.a(SourceFile:306) ~[minecraft-25w41a-client.jar:?]

at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]

Caused by: java.lang.NullPointerException: Cannot invoke "ayo.b(abd)" because "this.g" is null

at axn.a(SourceFile:1747) ~[minecraft-25w41a-client.jar:?]

at cgh.b(SourceFile:1070) ~[minecraft-25w41a-client.jar:?]

at cgh.a(SourceFile:829) ~[minecraft-25w41a-client.jar:?]

at dbe.a(SourceFile:700) ~[minecraft-25w41a-client.jar:?]

at axn.a(SourceFile:429) ~[minecraft-25w41a-client.jar:?]

at cfg.d(SourceFile:2327) ~[minecraft-25w41a-client.jar:?]

... 11 more

[14:43:40] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 2014ms or 40 ticks behind

[14:43:40] [Server thread/INFO]: Veloreths (0efab45d-b7f3-45dd-adb9-84e52eb4cdf8) lost connection: Invalid player data

[14:43:40] [Server thread/INFO]: Stopping singleplayer server as player logged out

[14:43:40] [Server thread/INFO]: Stopping server

[14:43:40] [Server thread/INFO]: Saving players

[14:43:40] [Server thread/INFO]: Saving worlds

[14:43:40] [Server thread/INFO]: Saving chunks for level 'ServerLevel[MISKAGUMISAN]'/minecraft:overworld

[14:43:40] [Server thread/INFO]: Saving chunks for level 'ServerLevel[MISKAGUMISAN]'/minecraft:the_end

[14:43:40] [Server thread/INFO]: Saving chunks for level 'ServerLevel[MISKAGUMISAN]'/minecraft:the_nether

[14:43:40] [Server thread/INFO]: ThreadedAnvilChunkStorage (MISKAGUMISAN): All chunks are saved

[14:43:40] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved

[14:43:40] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved

[14:43:40] [Server thread/INFO]: ThreadedAnvilChunkStorage: All dimensions are saved

[14:43:41] [Render thread/WARN]: Client disconnected with reason: Invalid player data