If you’re on macOS Sierra, you may have encountered the below error messages when attempting to install or update Craft Manager:
This error occurred due to a change in how apps are installed on macOS Sierra. We’ve recently released an update to Craft Manager to address this moving forward. However, those impacted by this problem will need to do a clean install of Craft Manager through the following steps:
Click on the Craft icon in the Mac menubar to open Craft Manager.
Click the cogwheel icon, then click Quit.
Delete Craft Manager from your Applications folder.