Crash report: `NotFoundError: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.`

URL

https://app.uniswap.org/#/add/v2/0xfbc9d9c558dfd69fcd0e2f4d0cd8baba0e9f0b33/0xe3563c3453ccb6b08ac02573827128c65c667864

mint state

{
  "independentField": "CURRENCY_A",
  "typedValue": "35",
  "otherTypedValue": "",
  "startPriceTypedValue": "",
  "leftRangeTypedValue": "",
  "rightRangeTypedValue": ""
}

Error

NotFoundError: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.

Stacktrace

Error: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.
    at Ou (https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1220041)
    at Ps (https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1231853)
    at https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1252470
    at Vi (https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1174828)
    at As (https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1229811)
    at ys (https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1225897)
    at https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1175051
    at https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1252470
    at Vi (https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1174828)
    at Gi (https://app.uniswap.org/static/js/35.ec3e0318.chunk.js:2:1174996)

Device data

{
  "ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36",
  "browser": {
    "name": "Chrome",
    "version": "94.0.4606.61",
    "major": "94"
  },
  "engine": {
    "name": "Blink",
    "version": "94.0.4606.61"
  },
  "os": {
    "name": "Windows",
    "version": "10"
  },
  "device": {},
  "cpu": {
    "architecture": "amd64"
  }
}

Start by reproducing the crash at the provided add-liquidity URL using the reported mint state and Chrome environment. Use the supplied removeChild stacktrace as the initial investigation path; done means the flow no longer throws the reported NotFoundError under the reproducing conditions.