Unable to view Graphical Representation of data model in MDG

Hi MDG Experts,

I have created the data model in MDG and activated the same. but, when I have select the u201CVisualize Activated Data Modelu201D Option, the graphical representation of data model is unable to open. It is showing as loading status with circle symbol.

Can anyone assist how to solve this issue ?

Thanks & Regards,

Mahesh Reddy