Unable allocate application vault for the domain?

Solution :

To resolve this issue you need to check and allocate apllication vault in your service plan

Please follow the below procedure to allocate the application vault to your domains

[1] Login to your control panel
[2] Click on subscriptions
[3] Select the domain for which you want to allocate the application
[4] Click on customize
[5] Then in the permissions tab enable Access to Application Catalog and in applications tab select Provide only applications that I select and then allocate the applications and click on Ok