com.atlassian.confluence.content.render.xhtml.migration.exceptions.UnknownMacroMigrationException: The macro 'html' is unknown.
Removing an App
To remove an App from XpoLog:
- In the main screen, click the Apps tab on the top left.
The Apps management console is displayed. - Mouse over the App and click the  icon, then click the 'Delete' entry and confirm the operation - the App and all its dashboard will be deleted.