Duplicate box error

[sikhub]

Describe the bug When duplicating a box an error is thrown. After refreshing the page the box is there and can be edited and saved. Boxes were exported locally and imported on production.

The error that is thrown: "Attempt to read property "boxes" on null" on line 218 of /home/forge/{domain_name}/plugins/offline/boxes/formwidgets/BoxesEditor.php

Boxes Version v2.2.18

To Reproduce Steps to reproduce the behavior:

1. Go to boxes content page
2. Click on duplicate the box
3. See error
4. Refresh the page
5. Box is there

Screenshots

Video:

https://www.youtube.com/watch?v=o_Jb6vNDAzo&ab_channel=sikmajnd

[tobias-kuendig]

Thank you very much for this detailed bug report @sikhub!

The bug is fixed in version v2.2.19