Set Task to be Completed Causing 'Oops! Your task change couldn't be saved' Error

Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.

Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.

*Except Fisheye and Crucible

Summary

Problem

User tries to mark a task as complete. However, trying to click the task returns "Oops! Your task change couldn't be saved. There could be a few reasons for this".

Diagnosis

Diagnostic Steps

Cause

The cause is unknown at the moment.

Solution

Workaround

  1. Copy the page where the issue is located

  2. Delete the original page

Resolution

Upgrade to Confluence 5.6 or later

Updated on April 2, 2025

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