Issue with Nextjs: window.__REACT_CONTEXT_DEVTOOL_GLOBAL_HOOK is missing

[Shawnxkwang]

Describe the bug
I use auto mode, and error in debugContextDevtool shows

index.js?36f8:41 Uncaught TypeError: Cannot read property 'helpers' of undefined
    at debugContextDevtool (index.js?36f8:41)

To Reproduce
add the following code to your _app.js:

const container = document.getElementById("__next");
debugContextDevtool(container, {});

You'll see the error in console

Desktop (please complete the following information):

• OS: Linux
• Browser Chrome
• Version 80.0.3987.163 (Official Build) (64-bit)

Additional context
Sorry I can't provide any more details since it's company code.

[Shawnxkwang]

found the real issue, because I didn't have the chrome extension on incognito mode, I'm adding a check in my code which solves the problem. feel free to close this ticket