Due to a problem in the Quartus® Prime software versions 16.1 and earlier, you may see this warning when compiling designs containing the Arria® 10 Hard IP for PCI® Express.
Device Family: Intel® Arria® 10
Area: Intellectual Property
Last Modified: November 23, 2016
Bug ID: FB: 401691;
This warning can be safely ignored.
The warning is scheduled to be removed from a future release of the Arria 10 Hard IP for PCI Express.