How are you copying the files generated by CalendarScript?
On the Meta Calendar, the links to events located on other calendar are created using JavaScript. I don't know of any automated 'page ripper' program which would be able to get the right URLs for such events to enable them to be copied.
You'll likely need to do those page(s) manually and also manually modify some of the calendar's links to point to the event details just as a representational sample.
JMO
Dan O.
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