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Code Fix: An error occurs when attempting to edit a recurring calendar event

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Issue Description

After appifying a SharePoint Calendar List and adding a recurring event, attempting to edit the recurring event results in an error.

Error Message

The error message states: “Input string in incorrect format”.


  1. Ensure you have K2 Five RTM installed.
  2. Get the K2 Five RTM FP12 from Regional Support.
  3. Install the K2 Five RTM FP12 to apply the fix.