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[Lars Helge Øverland <larshelge@xxxxxxxxx>]

** Changed in: dhis2
       Status: Confirmed => Fix Committed

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Datamart export fails silently when too many columns for crosstab
https://bugs.launchpad.net/bugs/514293
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Status in DHIS 2 - District Health Information Software: Fix Committed

Bug description:
Datamart export:
When doing datamart exports with lots of data elements I have noticed that despite the message in UI that says "Export process finished", in the background the process stops with the WARN message  "Cannot crosstabulate since the number of data elements exceeded maximum columns: XXX". So while UI says everything is fine, nothing actually gets exported to datamart.

We need feedback to the user and a message that says what the limit is. I also suggest we do not allow more than the limit number of data elements or indicators to be selected in the selection box, if that is possible. Right now I noticed the problem, but I still don't know what the limit is or have any idea of how many DE I have selected (I am not counting hundreds of data elements....), so its really hard to do the export.