Azure Cognitive Services – Topic Detection failure


If you keep receiving this exception: Internal error while executing BES operation from the Topic Detection operation of the Text Analytics API, you might want to double-check the following things:

  • test the API against genuine content, meaning not fake content such as “I like potatoes”, “I hate potatoes” etc.
  • Pay a particular attention to the minDocumentsPerWord parameter as specifying a too restrictive value (high treshold) will result in this exception.

Happy Coding!

About Stephane Eyskens

Office 365, Azure PaaS and SharePoint platform expert
This entry was posted in Azure Cognitive Services and tagged , , . Bookmark the permalink.

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