STEPS TO REPRODUCE
- Go to User Index
- Click on 'customized' link from the info message
- Uncheck 'Hide Disabled User Profiles'
- Add or remove a column in 'Columns to Display' field
- Save the page
The page is saved with the respective modifications made and the livetable displays users properly.
When 'Hide Disabled User Profiles' is unchecked or a column is being added/removed in 'Columns to Display' field, the livetable gets broken, displaying:
When the page is saved, the message 'Saving...' is displayed continuously on the bottom of the page with an endless spinning wheel and the settings are not saved after refresh.
The issue could not be reproduced on XWiki 12.1, neither on XWiki 11.10.5.