Description
Due to a problem in the Quartus® II software versions 14.1 and earlier you may see PLL Compensation Mode assignments being listed in the Ignored Assignments section of the fitter report, when targeting Arria® 10 devices.
These entries may be invalid as the assignments may have been correctly applied.
Resolution
See the PLL Usage Summary section of the fitter report to determine the actual compensation mode that is applied for each PLL in your design.
This problem will be resolved in a future version of the Quartus II software.