The most common cause for SQL Optimized Reports errors is the existence of at least one irregular document.
When dealing with newly discovered SQL report errors, it is unlikely that our technical support will be able to tell you what is wrong or how to fix it. Until a single error causing document is identified, Kamp-Data's technical support has no way of figuring out why the error is occurring. To correct such an issue we must be able to recreate the error on our computers. Recreating an error can be done with the following steps.
Identifying Documents That Cause Reporting Errors
Report Errors
Troubleshooting