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Occurs when adding new fields. Can be bypassed by cancelling, refreshing the data source and trying again.
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Cause
Tableau ODBC connector for Denodo doesn’t keep connection alive and doesn’t reconnect after the connection closes.
Solution
If Live connection is a must, click Refresh in the Data Source tab.
If Extract is accpetable, set connection to Extract. If encountering error while creating/refreshing an extract, refresh the Data Source.
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