Error "Refresh failed because the datasource was overwritten by another task" Refreshing Extract
Published: 14 Feb 2014 Last Modified Date: 19 Jul 2016
When you try to refresh an extract, the following error might occur:
Refresh failed because the datasource was overwritten by another task during processing. Submit refresh again to correct
Tableau Server 8.1
Schedule extract refreshes such that incremental and full refreshes of the same extract do not overlap. For example, ensure that a full refresh has sufficient time to complete before an incremental refresh begins.
This error occurs when multiple refreshes are run simultaneously on the same extract.
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