When you edit a recurring series item in an K2 Appified Calendar List in SharePoint, once saved - the series event is duplicated for every subsequent item in the series.
- Ensure you have K2 Five RTM installed.
- Get the K2 Five RTM FP18 from Regional Support.
- Install the K2 Five RTM FP18 to apply the fix.
- It is recommended to refresh the browser cache.
Existing SharePoint Calendar event items will not be fixed. Only applicable to new collateral.