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Richard Clarke - Artisan ConsultingRichard Clarke - Artisan Consulting 

Wave Trailhead Data Manager Failure "Insert failed. First exception on row 337; first error: FIELD_INTEGRITY_EXCEPTION"

Every time I try to "Refresh the DTC Opportunities" to complete the "Creating Wave Apps" unit I get this error
Insert failed. First exception on row 337; first error: FIELD_INTEGRITY_EXCEPTION, Create Date(Fri Jul 08 00:00:00 GMT 2016) in the future.: Created Date: [CreatedDate]
My user timezone was GMT+10 (Australian Eastern Standard Time)
I changed my user timezone to Pacific Daylight Time and tried again
Same problem
The error comes up at the last step when creating activities
Richard Clarke - Artisan ConsultingRichard Clarke - Artisan Consulting
Note if I set my user timezone to the bottom option GMT-11 the Trailhead Data Manager reports the data is up to date.  If I change it to the top option GMT+14 it says the data is out of date.  But the error above occurs on refresh.