1 Reply Latest reply on Sep 24, 2016 12:32 AM by Dmitry Chirkov

    'An error occured when communicating with the data source'

    Zeeshan Hussain

      Error: 'PROJECT expressions must be scalar'.


      I receive the above error. I have used a custom SQL in tableau which up until now posed no problems.


      Anyone have an idea why it's raising this error? Thanks