Due to a problem in the Intel® Quartus® Prime Pro Edition software version 17.1 and earlier, you may see this internal error at the fitter stage when redundant pin settings exist for the XCVRs in the design.
Device Family: Intel® Stratix® 10
Intel Software: Quartus Prime Pro
Last Modified: Tue Apr 30 2019 01:42:00 GMT-0700
Version Found: v17.1
Bug ID: 2205664864