Why is the option to accelerate data model not appearing in my actions dropdown menu?

[pladamsplunk]

Usually when you click on the actions dropdown menu within the data models tab, there is an option to accelerate the data model. But I'm not getting this option even though I've gotten it in the past. Can someone please help me figure out why it's not appearing and how I can accelerate my data model?

[cmerriman]

Only admin users can accelerate data models. Since you could in the past, I assume you are have admin permissions?

Is the data model public? You can't accelerate a private data model.

Root datasets that use nonstreaming commands can't be accelerated.

Resources about data models and acceleration:
http://docs.splunk.com/Documentation/Splunk/6.5.0/Knowledge/Managedatamodels#Enable_data_model_accel...
http://docs.splunk.com/Documentation/Splunk/6.5.0/Knowledge/Acceleratedatamodels