The reason you are running into this is that the reports, previously created when your IC was at 6.1B, need to be converted using the cross-table conversion.

To do this, make sure that you have the option to convert reports turned on, from either the qrconfig.ld4 file if Quik Reports is pre-6.5A, or from the Configure menu if QR is 6.5A. Then when you open the report with the IC6.5A table tagged, you should get the option to convert the report.

If you have upgraded Quik Reports in addition to IC, you first have to open, save, and close all of your reports with the old tables tagged, to get the report to the new Quik Reports level.