TypeError: dClient.db.fetch is not a function

[Stryff]

when i added all the info this error appeared when i ran it on node js
TypeError: dClient.db.fetch is not a function
here is the full error:

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C:\Users\srctest\index.js:17
if (dClient.db.fetch(postedVideos) === null) dClient.db.set(postedVideos, []);
^

TypeError: dClient.db.fetch is not a function
at handleUploads (C:\Users\srctest\index.js:17:20)
at Client. (C:\Users\srctest\index.js:13:5)
at Client.emit (node:events:511:28)
at WebSocketManager.triggerClientReady (C:\Users\srctest\node_modules\discord.js\src\client\websocket\WebSocketManager.js:387:17)
at WebSocketManager.checkShardsReady (C:\Users\srctest\node_modules\discord.js\src\client\websocket\WebSocketManager.js:370:10)
at WebSocketShard. (C:\Users\srctest\node_modules\discord.js\src\client\websocket\WebSocketManager.js:200:16)
at WebSocketShard.emit (node:events:511:28)
at WebSocketShard.checkReady (C:\Users\srctest\node_modules\discord.js\src\client\websocket\WebSocketShard.js:181:12)
at WebSocketShard.gotGuild (C:\Users\srctest\node_modules\discord.js\src\client\websocket\WebSocketShard.js:155:10)
at WebSocketManager. (C:\Users\srctest\node_modules\discord.js\src\client\websocket\WebSocketManager.js:240:15)

Node.js v20.2.0