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 attempting to Add, Edit or Display a SharePoint List Item; a HTTP error 404 appears. This issue was only specific to a certain list of this site; other lists/libraries of the same site are working corrrectly.


The following URL was failing:

It was determined that the correct URL to this form should be:

The binding for the K2 Runtime site URL was pointed toward an older binding which was no longer valid (; instead of the currently valid one (

The value in the hidden 'K2 Settings' list for this site is correct.


To resolve this issue, navigate to [K2 Application > Settings > Form Settings] for this list and perform the 'Save' option. This will update the appropriate URLs to the currently correct bindings.