Uncaught TypeError: Cannot read property 'type' of null

[csicky]

Version

4.0.1

Browser and OS info

Chrome 63.0.3239.132 (64-bit) / Windows 10

Steps to reproduce

Click on a component in Vue devtools component inspector.

What is expected?

To be able to inspect the component state.

What is actually happening?

Error is thrown in the browser console.

backend.js:formatted:1095 Uncaught TypeError: Cannot read property 'type' of null
    at backend.js:formatted:1095
    at x (backend.js:formatted:1103)
    at t.a (backend.js:formatted:847)
    at Object.y (backend.js:formatted:134)
    at e (backend.js:formatted:395)
    at e (backend.js:formatted:405)
    at e (backend.js:formatted:396)
    at e (backend.js:formatted:396)
    at Object.t.stringifyStrict (backend.js:formatted:410)
    at Object.t.stringify (backend.js:formatted:350)

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This appeared last week on my colleague's machine, in another country. Using remote desktop I allowed to use my machine to inspect something, we thought it's specific to his machine Today it hit also my machine, exactly the same thing. At that line o is null but the code tries to read from it o.type.

Breaks on type: o.type ? D(o.type) : "any"
Possible fix would be: type: (o && o.type) ? D(o.type) : "any"

[MatthewDanielLA]

Are you using vee-validate? See #499
If so, update vee-validate to 2.0.3 and everything should be back to normal.

[csicky]

Yes, that fixed it, thank you! I did search for the same issue before creating the one but somehow I missed it. Great development experience and Vue.js is super! Thanks again!