Scheduler not working on LB.

Scheduler not working on LB.

Throwing below error:
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Company Level Import : For QA-CHMC-Azure

Template Name : demograpic_3apr
DateTime : 4/4/2018 2:06:09 PM
Status : Error occured while import.
Error Source : ExecuteImportScheduler
Error Message : Object reference not set to an instance of an object.
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Invalid object name 'ExportSchedule_CalendarDates'.
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CC: Rakesh Roy WT-Admin Prasad Pise