[Fix] TypeError Cannot Read Properties Of Undefined (reading 'FLAGS') 2023

The Error “TypeError: Cannot read properties of undefined (reading ‘FLAGS’)”, is an error that is invoked when you are working on discord.js. Given below is the snippet of the error you might get:

TypeError: Cannot read properties of undefined (reading 'FLAGS')

I would like to share with you the steps I took to fix the “TypeError: Cannot read properties of undefined (reading ‘FLAGS’)”.

Why “TypeError Cannot read properties of undefined (reading ‘FLAGS’)” Error is Seen?

The error, “TypeError: Cannot read properties of undefined (reading ‘FLAGS’)” is seen because, in the latest discord.js version that is version 14, the Intents import has been removed and does not exist more.

Rather you will need to use a GatewayIntentBits when you are declaring the intents inside the client.

The detailed solution to fix the error “TypeError: Cannot read properties of undefined (reading ‘FLAGS’)”, is given below:

How to Fix “TypeError: Cannot read properties of undefined (reading ‘FLAGS’)” Error?

To fix the error, you will need to use a GatewayIntentBits when you are declaring the intents inside the client. Once you define the GatewayIntentBits when you are declaring the intents inside the client, error TypeError: Cannot read properties of undefined (reading ‘FLAGS’) will be fixed.

To fix the error, “TypeError: Cannot read properties of undefined (reading ‘FLAGS’)”, you will have to follow the steps mentioned below:

First, you will need to use a GatewayIntentBits when you are declaring the intents inside the client. To do so in your project, you will have to use the below mentioned code as a reference:

const { Client, GatewayIntentBits } = require('discord.js');
const client = new Client({
  intents: [
    GatewayIntentBits.Guilds,
    GatewayIntentBits.GuildMessages,
    GatewayIntentBits.GuildPresences,
    GatewayIntentBits.GuildMembers,
    GatewayIntentBits.GuildMessageReactions,
  ],
});

You can find the list of all changed intents in discord.js version 14 from version v12/13, from the below table:

v12/v13	v14
`GUILDS`	`GatewayIntentBits.Guilds`
`GUILD_BANS`	`GatewayIntentBits.GuildBans`
`GUILD_EMOJIS_AND_STICKERS`	`GatewayIntentBits.GuildEmojisAndStickers`
`GUILD_INTEGRATIONS`	`GatewayIntentBits.GuildIntegrations`
`GUILD_INVITES`	`GatewayIntentBits.GuildInvites`
`GUILD_MEMBERS`	`GatewayIntentBits.GuildMembers`
`GUILD_MESSAGE_REACTIONS`	`GatewayIntentBits.GuildMessageReactions`
`GUILD_MESSAGE_TYPING`	`GatewayIntentBits.GuildMessageTyping`
`GUILD_MESSAGES`	`GatewayIntentBits.GuildMessages`
`GUILD_PRESENCES`	`GatewayIntentBits.GuildPresences`
`GUILD_SCHEDULED_EVENTS`	`GatewayIntentBits.GuildScheduledEvents`
`GUILD_VOICE_STATES`	`GatewayIntentBits.GuildVoiceStates`
`GUILD_WEBHOOKS`	`GatewayIntentBits.GuildWebhooks`
`DIRECT_MESSAGES`	`GatewayIntentBits.DirectMessages`
`DIRECT_MESSAGE_TYPING`	`GatewayIntentBits.DirectMessageTyping`
`DIRECT_MESSAGE_REACTIONS`	`GatewayIntentBits.DirectMessageReactions`
N/A	`GatewayIntentBits.MessageContent`

This should fix the error, “TypeError: Cannot read properties of undefined (reading ‘FLAGS’)”,

Conclusion

To fix the error, you will need to use a GatewayIntentBits when you are declaring the intents inside the client.

Once you define the GatewayIntentBits when you are declaring the intents inside the client, error TypeError: Cannot read properties of undefined (reading ‘FLAGS’) will be fixed.