Error when editing dashlet tabs after deploying dashlet to user

[jamie]

Description of the problem

After deploying a new dashlet to a user using the append option, the dashlet tabs cannot be edited in any way.
It is not possible to:

• Rename the dashlet tab
• Reorder the dashlet tabs
• Delete the dashlet tab

The UI appears to block any changes to the dashlet tabs.

There are no errors in the EspoCRM logs and no PHP errors.
This appears to be a front-end validation issue rather than a backend or database problem.

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Steps to reproduce

1. Deploy a new dashlet to a user using the append option.
2. Open the dashboard containing the appended dashlet.
3. Attempt to modify the dashlet tabs (rename, reorder, or delete).

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Expected result

Dashlet tabs should be editable after deployment.
Users should be able to rename, reorder, or delete them.

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Actual result

The dashlet tabs cannot be modified in any way.
All edit operations appear to be blocked in the UI.

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EspoCRM version

9.3 though happened on 9.1

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Environment

• PHP: 8.3.30 (cli) (built: Feb 24 2026 19:11:21) (NTS)
• Database: MariaDB 12.0.2
• MariaDB Client: 15.2 for debian-linux-gnu (x86_64) using EditLine wrapper

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Logs

• No errors in EspoCRM logs
• No PHP errors

[victor]

I have tried to reproduce the behavior you describe in versions v9.1, v9.2, and v9.3.
However, in each case, Users can to rename, reorder, or delete dashboard and dashlet tabs.