Hi Team,
I am facing one issue with rollout whenever I am trying to rollout the page the dialog for selecting live copies is not loading, the page remain unresponsive and throwing a error in console.

If i write MSM.Rollout in console its showing undefine.

The dialog that I need is shown below.

Kindly help me in resolving this issue.
@Jaideep_Brar @arunpatidar @kautuk_sahni @BrianKasingli