Text Analytics Widget is not getting exported if there is no data to display.
1- Create a Text Analytics Widget. Make sure it has no data to display.
2- Add the widget to Dashboard.
3- Try to export the Dashboard. The dashboard never gets exported.
This problem has been fixed. There is no workaround available. If you are able to upgrade, review the Fixed In section to determine the latest version with a permanent fix your instance can be upgraded to.