I am getting below error while running my dashboard . Prima facie it looks like some column is missing in the group by clause but there is more to it because when I run the dashboard for small data set it runs successfully however for larger data set it throws the below error. Also I can load the metric set behind this dashboard for small data set.
ERROR MESSAGE :
An unexpected error occurred when retrieving data using data connector ‘[Partner Ecosystem - OCMS] Data Connectors Root Folder/IZBLUDBDEV’. ERROR  [IBM][DB2/LINUXX8664] An expression starting with “TE19” specified in a SELECT clause, HAVING clause, or ORDER BY clause is not specified in the GROUP BY clause or it is in a SELECT clause, HAVING clause, or ORDER BY clause with a column function and no GROUP BY clause is specified.
Note : There is one table and metric set used in this dashboard and we directly export the result of the dashboard in an excel sheet.
Also we recently upgraded to Version: 10.0.0.1004-w if that has any impact.
Any pointer to narrow down the issue would be helpful.