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Trello for Gmail Undefined Error when Signing In


Hi there,


I have a user trying to utilize our trello for gmail integration but when she signs in, the browser replies with an undefined error. We have tried multiple browsers, incognito modes, clearing cache, multiple computers with no luck. 


Has anyone run into this issue before and have a solution for it? 

Screen Shot 2022-12-28 at 3.20.06 PM.png

5 answers

1 accepted

4 votes
Answer accepted

I just retried the authorization process again this morning and it worked! I have 2FA enabled on a Google for Education account. I encourage anyone who has had trouble to try again. I didn't do anything differently than I did the first hundred times I tried connecting Trello and Gmail. This time, it just worked as expected. I hope it does for other frustrated Trello users, too!

Thanks so much for the heads-up, John. Worked for me too!

Devs - worth noting we're using Google For Education too, so I wonder if that's where the issue was?

Same! I'm good now. Thanks!

You made my day John!! it works for me now. 

I am not using Google for Education and had the problem... 

Please can this be fixed or a timescale provided Atlassian? What workaround should we try?


I am using google (with 2FA) on a mac. Tried chrome and safari.


Would trying other browsers help?

I have the same problem!! very frustrating :(

Screen Shot 2023-02-15 at 11.46.01 AM.png

Y have the same problem, Cant it be because of google's two factor identification?

Cody C_
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
Jan 18, 2023

Hmm, that's a good thought! I just tried adding two factor identification to a test account. I used the "Google prompt" 2FA method. After enabling that option, I tried authorizing the Trello for Gmail Add-on, and it worked as expected for me.

If you have 2FA enabled, could I trouble you to try testing with 2FA turned off? If it works when it's off, but not when it's on, could you let me know which 2FA method you're using?

Like Sam Ayres likes this

I alrady did the test with the computer , when the google prompt is connected it does not work and when you disconnect it it works. The computer tecnician, he said me that`s the problem, because when put on the 2 check verification google stooped working.

For all my colleagues who used it.

0 votes
Vishaal S
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
Dec 29, 2022

HI Baily,

Vishaal here with Trello—thanks for reaching out

I can confirm that there's an ongoing bug that our Engineering team are investigating where some users can't get past the authentication screen. I've linked your issue to the bug report to inform them that you're also running into this. Once a fix is ready they'll push it out.

For now, I would suggest looking at the email-to-board feature mentioned above as a workaround for creating cards via email.

Any update on this bug Vishaal?

I'm also running into this same issue.

+1: also experiencing

+1: also experiencing

Also having this problem...Any updates?

Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
Feb 09, 2023

Hey everyone,

Sorry for leaving y'all on the lurch here. Our engineering team is still working on this issue to solve it as soon as possible. 

We don't have an ETA for when a fix will be released but rest assured that as soon as there's one available, we will release it. 

In the meantime, as my colleague Vishaal mentioned, I recommend you pivot the usage of the email-to-board feature to create your cards via email as a workaround. 

Thank you!

Like Sam Ayres likes this

same problem

windows 11    norton  360 antivirus      google crome


on linux with firefox problem solved

Same here. Worth noting no-one on my team has this issue, just me. We're all using Chrome on Windows 10 Education. We have Authenticator enabled as we use G Suite internally for most things, if that's relevant. 

Can someone please give us an update ASAP? This issue is still exists, and it has a major effect on some of our work procedures.

Like Alex Knibb likes this

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