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.

Issue

When you click Details for an App in K2 Apps Workspace, the following error appears:

No mapping exists from object type System.Threading.Tasks.Task to a known managed provider native type. 

Image

Symptoms

The issue occurs for all Apps listed, regardless of whether it was created using the wizards or installed from the App catalog. 

Troubleshooting Steps

To resolve the issue, please re-deploy the following packages: 

1. App Framework Core.kspx

2. App Installer.kspx

3. App Framework Extension Notification.kspx

4. App Wizard.kspx

The packages can be found in [InstallDrive]:\Program Files (x86)\K2\Setup.