Problem facing in theme customization

Dear Support Team
FIrstly i should appriciate the work you guys are doing. They are realy remarkable.
However i am facing a problem here. I have configured your theme on one domain, Its customizations (Drag and Drop) is absolutely working like a charm. Same theme i have installed on 2 other domains. But its customizations (Drag and Drop type) is not working as it supposed to.
Custom Design options working:
Customizations option not working:
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