The mass are not visible

[Anonymous]

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[barthbradley]

...is the Category turned on under VGOs?  

[syman2000]

Go to Visibility and Graphics and turn on MASS. It is off by default.

[RDAOU]

@Anonymous 

From the look at the Ribbon...it appears you are trying to run a analysis using Conceptual Mass. For 1, The building in the image you have posted does not look like a conceptual mass;

1. either create one
2. or run the analysis using building elements Energy Analysis using Building Elements - Quick Start | Revit Products | Autodesk Knowledge Network

Energy Analysis using Conceptual Masses - Enable the Energy Model | Revit Products | Autodesk Knowledge Network