On Demand Refresh option missing

[Smartiebros]

 

Im attempting to Refresh a couple of my datasets online, but the the refresh option alond with others is missing on some of the dataset. This is making it difficult to kee my reports up to date in a timely matter. Does any one have any idea whats going on. The crazy bit is it was working yesterday and then about an hour or so later it had disapeared,

[v-chuncz-msft]

@Smartiebros 

You may check the dataset type and keep an eye on the Awareness.