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Sorry! An unexpected error occurred. Your latest changes may not have been saved. iso app

Ania Kaczorowska
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June 22, 2026

Hello,

We are experiencing an issue with Trello templates on iOS and would like to know if anyone else is facing the same problem.

For approximately 3 weeks, none of our users have been able to create cards from templates using the Trello iPhone app.

What happens:

  • We open a template.
  • We tap “Create from template”.
  • Trello displays the message: “Sorry! An unexpected error occurred. Your latest changes may not have been saved.”

Additional information:

  • The issue affects 5 different iPhone users.
  • All users have the latest version of the Trello app installed.
  • Creating regular cards works without any problems.
  • Creating cards from templates works on desktop.
  • Creating cards from templates also works in Safari on iPhone.
  • The issue occurs even with newly created test templates.
  • No Power-Ups are enabled on the board.

Has anyone experienced the same issue recently? Is there a known workaround or fix?

Thank you for your help.

1 answer

0 votes
Germán Morales _ Hiera
Atlassian Partner
June 22, 2026

Hi @Ania Kaczorowska , your own tests settle it: it works on desktop and in iPhone Safari and fails only in the native app, so this is an iOS app bug, not your setup, and nothing on your end will fix it. Two moves:

  • Now: create from template in iPhone Safari or on desktop, both unaffected.
  • Fix: report it through Trello's bug report process, attaching your steps plus the app and iOS versions.
Ania Kaczorowska
I'm New Here
I'm New Here
Those new to the Atlassian Community have posted less than three times. Give them a warm welcome!
June 22, 2026

Thank you. Is the report submitted via the app or computer?

Germán Morales _ Hiera
Atlassian Partner
June 22, 2026

Computer, not the app. The iOS app has no bug-submission form, so you file it from the web: on Trello's support page, click Contact Support and complete the bug form there. While you're at it, check the Trello public issue tracker linked on that same page in case this one is already logged, so you can watch it or add your details rather than open a duplicate. Both are here: Report a Trello bug.

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