A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Thank you for sharing this information.
At this time, I have not found any information indicating that this feature is restricted to certain regions.
While you are using the workaround to continue your work, I recommend creating a support ticket with Microsoft Technical Support. The support team has access to more advanced diagnostic tools that can help investigate this issue further and determine whether the feature is not working due to a configuration in your environment or another specific issue.
You can refer to the following documentation for instructions on how to create a support ticket with Microsoft Technical Support:
Get support - Microsoft 365 admin | Microsoft Learn
If you have any updates on the issue or experience any difficulties reaching the Technical Support team, please feel free to let me know. I’ll be glad to continue supporting you in any way I can.