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An error is displayed after clicking the "Synchronize Groups" button in K2 for SharePoint App

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.
This article has been archived, and/or refers to legacy products, components or features.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.


The following error is displayed after clicking on the "Synchronize Groups" button in the K2 for SharePoint app:
"Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index"


Manually executing the "Refresh SharePoint Group Identity" of the "SharePoint_Integration_Workflow_Helper_Methods" SmartObject results in the same error.

Troubleshooting Steps

To resolve this please log a support ticket and request a tool that will be used to refresh the SharePoint Integration SmartObject. This will refresh "SharePoint_Integration_Workflow_Helper_Methods." After this you should be able to use the "Synchronize Groups" feature with no issues.

The tool must only be used under the guidance of the support engineer.