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.
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 4.7: https://help.k2.com/news/k24-7march2018cumulativeupdate.