Crash report: `TypeError: Cannot read properties of undefined (reading '0')`

When trying to add liquidity for the USDC/USDT pair, the app returns an error.

URL

https://app.uniswap.org/#/add/0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48/0xdAC17F958D2ee523a2206206994597C13D831ec7

mintV3 state

{
  "independentField": "CURRENCY_A",
  "typedValue": "",
  "startPriceTypedValue": "",
  "leftRangeTypedValue": "",
  "rightRangeTypedValue": ""
}

Error

TypeError: Cannot read properties of undefined (reading '0')

Stacktrace

TypeError: Cannot read properties of undefined (reading '0')
    at https://app.uniswap.org/static/js/main.e9530db1.chunk.js:1:438547
    at Array.reduce (<anonymous>)
    at https://app.uniswap.org/static/js/main.e9530db1.chunk.js:1:438471
    at Object.Aa [as useMemo] (https://app.uniswap.org/static/js/35.49bb3185.chunk.js:2:1353145)
    at https://app.uniswap.org/static/js/35.49bb3185.chunk.js:2:1288165
    at https://app.uniswap.org/static/js/main.e9530db1.chunk.js:1:438108
    at uv (https://app.uniswap.org/static/js/main.e9530db1.chunk.js:1:439437)
    at Wv (https://app.uniswap.org/static/js/main.e9530db1.chunk.js:1:445347)
    at ua (https://app.uniswap.org/static/js/35.49bb3185.chunk.js:2:1348412)
    at Va (https://app.uniswap.org/static/js/35.49bb3185.chunk.js:2:1357979)

Device data

{
  "ua": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36",
  "browser": {
    "name": "Chrome",
    "version": "96.0.4664.45",
    "major": "96"
  },
  "engine": {
    "name": "Blink",
    "version": "96.0.4664.45"
  },
  "os": {
    "name": "Mac OS",
    "version": "10.15.7"
  },
  "device": {},
  "cpu": {}
}

Reproduce the failure at the supplied USDC/USDT add-liquidity URL using the shown mintV3 state, then trace the minified stack through the corresponding TypeScript source. Identify which input is undefined during the reduce operation and verify that the add-liquidity flow completes without the TypeError.