Article ID: 2795623 - View products that this article applies to.
Not sure what release of Office 365 you're using? Go to the following Microsoft website:
Am I using Office 365 after the service upgrade?
When you configure Group By Columns by using calculated values on a Microsoft SharePoint Online site, you may experience one or more of the following issues:
This issue occurs after you receive the latest SharePoint Online service update. The product team is working to resolve the issue as soon as possible.
Still need help? Go to the Office 365 Community
Article ID: 2795623 - Last Review: February 27, 2013 - Revision: 4.0