BadSymbol: binance does not have market symbol BTC/USDT

• OS: Linux
• Programming Language version: NodeJS
• CCXT version: 2.2.45

My code has been running fine for a couple of years, yet today all of a sudden, I can’t fetch BTC/USDT from Binance spot market anymore. Below is the minimal code that I could use to reproduce the error.

const ccxt = require("ccxt");

async function test() {
  const exchange = new ccxt["binance"]();

  const fetchSince = Date.now() - 5 * 60 * 1000;

  const result = await exchange.fetchOHLCV("BTC/USDT", "1m", fetchSince, 5);
  console.log("result", result);
}

test();

BadSymbol: binance does not have market symbol BTC/USDT
    at binance.market (/DeepTrade_keras/nodeScripts/temp/node_modules/ccxt/js/base/Exchange.js:2437:15)
    at binance.fetchOHLCV (/DeepTrade_keras/nodeScripts/temp/node_modules/ccxt/js/binance.js:2472:29)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at async test (/DeepTrade_keras/nodeScripts/temp/test.js:8:18) {
  constructor: [class BadSymbol extends BadRequest]
}