Cant connect through localhost

[riceyy-s]

When i tried to connect to the localhost it gave an error internal exception: io.netty.handler.codec.decoderexception: com.google.gson.jsonsyntaxexception: expected text to be a string, was an object ({"f...t"}) when i looked at the console it says

Disconnecting client because error TypeError: Serialization error for play.toClient : Write error for undefined : Cannot read properties of undefined (reading 'length')
    at module.exports.Write.UUID (C:\Users\Lenovo\2based2wait-1.0.5\node_modules\.pnpm\[email protected]\node_modules\minecraft-protocol\src\datatypes\compiler-minecraft.js:48:25)
    at eval (eval at compile (C:\Users\Lenovo\2based2wait-1.0.5\node_modules\.pnpm\[email protected]\node_modules\protodef\src\compiler.js:258:12), <anonymous>:1909:30)