Export missing fields

Version 5.2.4, WordPress 7.0

The CSV that is produced by ‘Export Members’ is missing column data for several required fields.
The columns are there in the csv but empty. I can see the data is being stored in the user account, so it’s just an export problem.
All of the missing field data is for multiple choice checkbox fields.

Older exports from months ago did not have this problem.

Thanks.