Are you reproducing this issue within the front-end or within the back-end? Also are there any custom modules or custom widgets within your website?
In general we need detailed information about the exact steps needed for reproducing this issue. Once the info is provided we will try to track down the issue and we will find a proper solution.
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items