Crash report: `TypeError: undefined is not an object (evaluating 'B[i||j.MAINNET].infoLink')`

URL

https://app.uniswap.org/#/swap

swap state

{
  "INPUT": {
    "currencyId": "ETH"
  },
  "OUTPUT": {
    "currencyId": "0x111111111117dC0aa78b770fA6A738034120C302"
  },
  "independentField": "INPUT",
  "typedValue": "",
  "recipient": null
}

Error

TypeError: undefined is not an object (evaluating 'B[i||j.MAINNET].infoLink')

Stacktrace

Cf@https://app.uniswap.org/static/js/main.235752c4.chunk.js:1:337976
ua@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1361139
Va@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1370707
Cs@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1400681
js@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1400609
Ss@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1400472
bs@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1397438
bs@[native code]
@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1346931
@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1424168
Xi@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1346877
$i@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1346812
ps@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1394815
Pa@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:1366465
Pa@[native code]
@https://app.uniswap.org/static/js/35.b241a31f.chunk.js:2:387732
promiseReactionJob@[native code]

Device data

{
  "ua": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 Safari/605.1.15",
  "browser": {
    "name": "Safari",
    "version": "15.0",
    "major": "15"
  },
  "engine": {
    "name": "WebKit",
    "version": "605.1.15"
  },
  "os": {
    "name": "Mac OS",
    "version": "10.15.6"
  },
  "device": {},
  "cpu": {}
}

Start by reproducing the crash at https://app.uniswap.org/#/swap with the reported swap state in Safari, then use the supplied stack trace to locate the corresponding source. The report names no source files or tests; done means the swap page no longer crashes for this state and the relevant regression is verified.