Delete group by index or by name deletes the wrong group if Field and Group Sorts exist.
Group Sort over rides the field sort, because the Group sort has priority and it will always be just the one field returned.
The Group Index was returned incorrectly.
This issue has been resolve in ADAPT01643011 and released in Service Pack 5
Crystal Reports Developer for Visual Studio, Delete group , KBA , BI-DEV-NET , BI Software Development Kits (SDKs) - .NET or Other , Problem