Errror: transition superseded upon starting up

After running `gulp`, I get this error message below in Chrome console. Any thoughts on how to fix this?

```
main.js:19241 Error: transition superseded
at $StateProvider.$get (main.js:2904)
at Object.invoke (main.js:9581)
at main.js:9373
at getService (main.js:9522)
at injectionArgs (main.js:9547)
at Object.invoke (main.js:9573)
at main.js:12739
at forEach (main.js:4951)
at Object. (main.js:12737)
at Object.invoke (main.js:9581) "Possibly unhandled rejection: {}"

Error: transition aborted
at $StateProvider.$get (main.js:2906)
at Object.invoke (main.js:9581)
at main.js:9373
at getService (main.js:9522)
at injectionArgs (main.js:9547)
at Object.invoke (main.js:9573)
at main.js:12739
at forEach (main.js:4951)
at Object. (main.js:12737)
at Object.invoke (main.js:9581) "Possibly unhandled rejection: {}"

Error: transition failed
at $StateProvider.$get (main.js:2907)
at Object.invoke (main.js:9581)
at main.js:9373
at getService (main.js:9522)
at injectionArgs (main.js:9547)
at Object.invoke (main.js:9573)
at main.js:12739
at forEach (main.js:4951)
at Object. (main.js:12737)
at Object.invoke (main.js:9581) "Possibly unhandled rejection: {}"
```