throws error inspecting site js bundle

[selfagency]

it gets through the first dozen or so items, then it throws this half a dozen times before exiting

Error: Promise rejected with value: TypeError: J is not a function
    at https://nylon.com/public/scripts/nylon.js?v=2.24.12:1:277381
    at new Promise (<anonymous>)
    at H (https://nylon.com/public/scripts/nylon.js?v=2.24.12:1:277357)
    at https://nylon.com/public/scripts/nylon.js?v=2.24.12:1:291540
    at <anonymous>
    at process._tickCallback (internal/process/next_tick.js:160:7)
    at /Users/daniel/.config/yarn/global/node_modules/loud-rejection/index.js:27:12
    at Array.forEach (<anonymous>)
    at EventEmitter.<anonymous> (/Users/daniel/.config/yarn/global/node_modules/loud-rejection/index.js:23:24)
    at EventEmitter.emit (events.js:160:13)
    at emit (/Users/daniel/.config/yarn/global/node_modules/signal-exit/index.js:77:11)
    at processEmit [as emit] (/Users/daniel/.config/yarn/global/node_modules/signal-exit/index.js:150:5)
    at process.exit (internal/process.js:147:15)
    at wappalyzer.analyze.then.catch.then (/Users/daniel/.config/yarn/global/node_modules/stacks-cli/bin/cli.js:161:23)
    at <anonymous>