Updated for OnApp 5.2 (7th December 2016)
When importing a new vCloud instance you may run into some issues.
Error: 404 Resource Not Found
Initialize Fatal: ('404 Resource Not Found')
This error occurs if the URL entered is not correct. Please ensure that the API URL you enter matches the "vCloud Director secure public REST API base URL" within vCloud Director.
Error: 401 Unauthorized
Initialize Fatal: ('401 Unauthorized')
This error occurs if there is an authentication issue when logging in to your vCloud instance. Please check the username and password that you have entered are correct.
Error: 302 Found
Initialize Fatal: ('302 Found')
This error often occurs if you are trying to use http:// rather than https:// on your vCD API URL. Please confirm you are using https:// and try the import again.
If you notice any other issues while running the import, please create a support ticket