The project, {0}, was not deleted. More information: {1}
Explanation
The project was not deleted for one of these reasons: 1. The project is already deleted. 2. You do not have permission to delete the project. 3. The parent folder is open or the project is open.
User response
Verify whether the project is already deleted. Click View > Project View to see the list of projects. If the project exists, make sure that it is not open and that the parent folder is not open. Also, verify whether you have permission to delete the project.