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Cannot read propeerty of undefined

Using checker plus, on chrome, latest version, windows 10 64 bit, latest version

I have 3 gmail addresses, one of them is unclickable, meaning I can see the email in the checker popup and I can't open it in gmail by clicky on it. The other two emails are fine.

Tried removing the account in order to add it again, I get the error below when I try adding it


  • Have you tried reinstalling the extension.

  • No I haven't, shouldn't chrome update extensions by default? what would reinstalling do?

  • Automatic updates sometimes fail to occur or they themselves create issues. So try manually yourself to see.

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