The query operation has exceeded the maximum row size of SQL Server.
You got something like: The query operation has exceeded the maximum row size of SQL Server. Please reduce the number of columns or joined tables. The reason for this is that the form-query structure is too large. For example: One way to address this is by reducing the number of fields, as you likely don't need all of the included fields. However, some coding adjustments will be necessary: Override init for each data source: I only need to display two specific fields out of the hundreds available here: Repeat for next Data source..