Error when deploying an OVF on vSphere

If you want to deploy an OVF template within vSphere, you might get the following warning/error:

You don’t hold privilege ‘ Datastore > Allocate space’ on the Datastore connected to the selected Cluster.

See the screenshot below:

The solution is simple, click on Inventory followed by Host and Clusters:

Start the deploy OVF wizard again and the error/warning will not show up.