what does the below error mean? what is the workaround for this?
MySource Warning
File: [SYSTEM_ROOT]/packages/calendar/page_templates/page_calendar/page_calendar.inc Line: 2095
Message: WARNING: No valid root nodes are set for this Calendar Page [CAL0029]
Backtrace: Show
You need to set a root node(s) that the Calendar Page will source its events from on the Calendar Page's Details screen, before the page will work.