Nintex Workflow for Office 365 uses the app model of SharePoint 2013 and SharePoint Online. Occasionally the trust for an app can be revoked, which will cause Nintex Workflow for Office 365 to error.
- Click on the Settings icon and then Site Contents for the site where Trust has been revoked for the app.
- On the Nintex workflow for Office 365 icon, click on the ellipses (…) to open the properties dialog.
- Click on Permissions.
- The permission screen will display.
- At the bottom of the page, you will see the sentence, ‘If there’s something wrong with the app’s permissions, click here to trust it again’. Click on the here link.