When I try to do it via the API I get a more descriptive response Cannot export Virtual Disk. Disk configuration (${volumeFormat} ${volumeType}) is incompatible with the storage domain type. Makes sense, it was imported from 4.1 So now the question is how can I fix this storage domain On Fri, Jan 26, 2018 at 6:43 AM, Donny Davis <donny(a)fortnebula.com&gt; wrote: > I am trying to copy a disk that was from a storage domain that was > imported from 4.1 to a newer storage domain and this exception is thrown in > the UI > > > Uncaught exception occurred. Please try reloading the page. Details: > Exception caught: (TypeError) : Cannot read property 'g' of null > Please have your administrator check the UI logs >