K2 for SharePoint Activation: "sys.parameter count exception: parameter count mismatch"

  • 16 February 2021
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K2 for SharePoint Activation error: "Sys.ParameterCountException: Parameter count mismatch."

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This article has been archived, and/or refers to legacy products, components or features.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


When opening the Manage App Activation page, it will display the SharePoint message; "We are working on it ..." without continuing.




If you click the developer browser tools option (F12), the error will surface:




"Sys.ParameterCountException: Parameter count mismatch."


This is a known issue within the K2 Product, please apply the latest Cumulative update and Fix pack for 4.7https://help.k2.com/news/k24-7march2018cumulativeupdate.

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