Error "Input string was not in a correct format" when sending a meeting request

This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.
LEGACY/ARCHIVED CONTENT
This article has been archived, and/or refers to legacy products, components or features. The content in this article is offered "as is" and will no longer be updated. Archived content is provided for reference purposes only. This content does not infer that the product, component or feature is supported, or that the product, component or feature will continue to function as described herein.

Issue

Using the Exchange Event to send a meeting request, the workflow falls into an error state: 

Input string was not in a correct format

Image

Symptoms

In your workflow, the Meeting Details is configured like the example below, where a decimal value (e.g. 0.5) is specified in the Reminder field.

Image

Troubleshooting Steps

To resolve this issue, please specifiy a whole number (e.g. 1) in the Reminder field for the Exchange Event. Only whole numbers are allowed in the Reminder field.