Error in birt: An internal error occurred during: "Fetching snapshot descriptors".
I'm new to the rational team concert, I'm learning to create widgets, I want to create a report that I can compute the points of the stories, but with attributes, eg high priority equal to x points.
Basically I want to add the parameters: iteration, type, severity or priority in wiget history points.
Generate a chart with history points, but with attribute priority
So I started doing this tutorial on birt: https://www.ibm.com/developerworks/rational/library/10/creatingcustomreportswithbirtandrtc-part1/creatingcustomreportswithbirtandrtc-part1-pdf.pdf
But I can not find the solution to this error: An internal error occurred during: "Fetching snapshot descriptors".
The value 'COUNT_DISTINCT' is not a valid enumerator of 'FieldAggregationKind'
Thank you in advance!
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I face this issue as well. May I know your RTC version and BIRT version? I am using RTC 4.0.7 with Client for Eclipse 3.6.x IDE and BIRT 2.6.2. I face this error when I create data source of the report.