Description
In Arria® V devices, SSTL-15 Class I and Class II I/O standard only supported Parallel 50 Ohms with calibration. You will get this error message once you assign a Rt OCT other than 50 Ohm for SSTL-15 Class I and Class II I/O standard.
The SSTL-15 I/O standard supports Rt OCT in 20, 30, 40, 60 and 120 Ohms, you will get the error message when you assign a Rt OCT value other than the listed values for SSTL-15 I/O standard.