connection lost

[Benamo1]

When i try to join the server i get a connection lost and thats it

i also get this error in the world downloader
Chunk could not be parsed!
java.lang.ArrayIndexOutOfBoundsException
java.lang.RuntimeException: Invalid VarInt found! Packet structure may have changed.
at packets.DataReader.readVarInt(DataReader.java:70)
at packets.DataTypeProvider.readVarInt(DataTypeProvider.java:111)
at game.data.chunk.version.Chunk_1_17.parse(Chunk_1_17.java:64)
at game.data.chunk.ChunkFactory.parseChunk(ChunkFactory.java:108)
at game.data.chunk.ChunkFactory.readChunkDataPacket(ChunkFactory.java:125)
at game.data.chunk.ChunkFactory.parse(ChunkFactory.java:85)
at game.data.chunk.ChunkFactory.lambda$addChunk$1(ChunkFactory.java:72)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
Chunk could not be parsed!
Ive tried turning my firewall off but still didnt work.
Any ideas?