Mobile for Jira breaks commenting on issue in Jira 8.0.X
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
When commenting on an issue, the below error pops up:

Diagnosis
Environment
Jira version 8.0.x / SD version 4.0.x
Mobile for Jira version 2.0.1 is installed and enabled
Symptoms
Commenting on an issue pops up an error.
Tested with Service Management issues for both Public and Internal comments.
On refreshing the page the comment is actually added.
Jira/SD email notifications may be affected.
Cause
This is caused by Mobile for Jira add-on whereby version 2.0.1 may not be fully compatible with Jira 8.0.x/SD 4.0.x.
Solution
Workaround
Disable Mobile for Jira add-on temporarily.
Resolution
Contact Mobile for Jira Support for a Fix Version.
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