i need help with my code

C:\Program Files\nodejs\node.exe .\my-discord-bot\index.js
Process exited with code 1
Uncaught SyntaxError C:\Users\user\Desktop\dis\2\my-discord-bot\index.js:11
const client = new Client({ 
      ^

SyntaxError: Identifier 'client' has already been declared
    at wrapSafe (internal/modules/cjs/loader:1281:20)
    at Module._compile (internal/modules/cjs/loader:1321:27)
    at Module._extensions..js (internal/modules/cjs/loader:1416:10)
    at Module.load (internal/modules/cjs/loader:1208:32)
    at Module._load (internal/modules/cjs/loader:1024:12)
    at executeUserEntryPoint (internal/modules/run_main:174:12)
    at <anonymous> (internal/main/run_main_module:28:49)
No debugger available, can not send 'variables' 

C:\Program Files\nodejs\node.exe .\my-discord-bot\index.js
Process exited with code 1
Uncaught SyntaxError C:\Users\user\Desktop\dis\2\my-discord-bot\index.js:11
const client = new Client({ 
      ^

SyntaxError: Identifier 'client' has already been declared
    at wrapSafe (internal/modules/cjs/loader:1281:20)
    at Module._compile (internal/modules/cjs/loader:1321:27)
    at Module._extensions..js (internal/modules/cjs/loader:1416:10)
    at Module.load (internal/modules/cjs/loader:1208:32)
    at Module._load (internal/modules/cjs/loader:1024:12)
    at executeUserEntryPoint (internal/modules/run_main:174:12)
    at <anonymous> (internal/main/run_main_module:28:49)
No debugger available, can not send 'variables' 

 const Discord = require('discord.js');
const client = new Discord.Client();

client.once('ready', () => {
    console.log('Bot is online!');
});

client.login('token');
const { Client, Intents } = require('discord.js');

const client = new Client({ 
    intents: [
        Intents.FLAGS.GUILDS, // חובה לצרכי הבסיסיים של הבוט
        Intents.FLAGS.GUILD_MESSAGES // רק אם הבוט צריך לקרוא ולכתוב הודעות
    ] 
});

client.once('ready', () => {
    console.log('Bot is online!');
});

client.login('token');
C:\Users\user\Desktop\dis\2\my-discord-bot\node_modules\discord.js\src\client\Client.js:512
      throw new DiscordjsTypeError(ErrorCodes.ClientMissingIntents);
      ^ 

 const Discord = require('discord.js');
const client = new Discord.Client();

client.once('ready', () => {
    console.log('Bot is online!');
});

client.login('token');
const { Client, Intents } = require('discord.js');

const client = new Client({ 
    intents: [
        Intents.FLAGS.GUILDS, // חובה לצרכי הבסיסיים של הבוט
        Intents.FLAGS.GUILD_MESSAGES // רק אם הבוט צריך לקרוא ולכתוב הודעות
    ] 
});

client.once('ready', () => {
    console.log('Bot is online!');
});

client.login('token');
C:\Users\user\Desktop\dis\2\my-discord-bot\node_modules\discord.js\src\client\Client.js:512
      throw new DiscordjsTypeError(ErrorCodes.ClientMissingIntents);
      ^