Description
You might see this warning message reported when compiling the Intel® Arria® 10 PCIe Hard IP core in Avalon® streaming mode in the Intel® Quartus® Prime Pro Edition Software version 17.1 and earlier.
The warning occurs due a problem in the auto-generated sdc file.
Resolution
This problem is scheduled to be resolved in a future release of the Intel Quartus Prime Software.
These warnings can be safely ignored.