Due to a problem in the Intel® Quartus® Prime Pro Edition software version 20.3, you may see this error due to unrecognised and unbypassed new pins added in Direct Interface Bus (DIB) IP Intel® pins for IO timing during compilation in Intel® Stratix®10 devices.
A patch is available to workaround this problem for the Intel® Quartus® Prime Pro Edition software version 20.3. Download and install Patch 0.46pro from the appropriate link below.
Download patch Intel® Quartus® Prime Pro Edition 20.3 Patch 0.46pro for Windows (.exe)
Download patch Intel® Quartus® Prime Pro Edition 20.3 Patch 0.46pro for Linux (.run)
Download the Readme for Intel® Quartus® Prime Pro Edition 20.3 Patch 0.46pro (.txt)
This problem is fixed beginning with the Intel® Quartus® Prime Pro Edition software version 21.1