Get certified for free when you join Fabric Data Days 2026 and dive into Fabric, Power BI, SQL, AI, and other essential data skills.
Join nowJuly 7 - July 17 | Round 2 of the Power BI Dataviz World Championships. Don't miss your chance! Learn more
Hi,
I have recently set up a scheduled refresh in Power BI Service and over the past few days I am getting the below message:
There was an error when processing the data in the dataset.
Data source error: Expression.Error: We cannot convert the value <ccon> null to type Text..</ccon>. The expression was raised by the IDataReader in.
I refreshed the dashboard in PowerBI Desktop, but I am not getting the above message.
The data source for the dashboard is a SharePoint page.
Looking guidance on how to resolve issue.
@sb2848 You could check the Issues forum here:
https://community.powerbi.com/t5/Issues/idb-p/Issues
And if it is not there, then you could post it.
If you have Pro account you could try to open a support ticket. If you have a Pro account it is free. Go to https://support.powerbi.com. Scroll down and click "CREATE SUPPORT TICKET".
| User | Count |
|---|---|
| 15 | |
| 14 | |
| 12 | |
| 11 | |
| 8 |
| User | Count |
|---|---|
| 40 | |
| 38 | |
| 29 | |
| 28 | |
| 22 |