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K2 HTML Designer - "Requested resource could not be found. 404 Not Found"

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.


The following error is seen when trying to access the Workflow via K2 Designer, after deleting the workflow definition to revert to a previous version.

"Requested resource could not be found. 404 Not Found."



You will be unable to recover the changes made to the workflow and the workflow will no longer be accessible for editing.


This was identified as a known issue in K2 Cloud and is fixed with the release of K2 Cloud Update 6 Fix Pack 16.

Note that you will need to Double click on the workflow in K2 Designer to rehydrate the JSON definition on the database and then perform a re-deployment.