Error 95BE3012 "The web data connector returned invalid data" Connecting to Web Data Connector in Tableau Desktop 2019.4

Published: 10 Dec 2019
Last Modified Date: 20 Mar 2020


After installing or upgrading to Tableau Desktop 2019.4,an error is displayed when establishing a connection via Web Data Connector (WDC). 

"The web data connector returned invalid data."

Error Code: 95BE3012

Other connection errors specific to the particular web data connector you are using may also occur.


  • Tableau Desktop 2019.4 and newer versions
  • Web Data Connector


Option 1

If the Web Data Connector you are using was created internally, it may need to be updated to support changes to the WDC web browser engine in Tableau 2019.4. For troubleshooting steps, see: Troubleshoot WDC WebEngine Issues in Tableau 2019.4 and later​​​​​​

If the WDC was not created by you, follow up with the publisher of the WDC. 

Option 2

As a workaround, use Tableau Desktop 2019.3 or earlier. Click here for downloads of current and previous versions of Tableau Desktop: Tableau Desktop Downloads and Release Notes.  For more information on current releases, see Upgrade Tableau Desktop and Desktop Upgrade


The internal web browser engine for Web Data Connectors was updated in Tableau 2019.4. See WDC News for more information.
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