Description
Due to a problem starting with the Intel® Quartus® Prime Pro software version 18.0, if your Intel® Stratix® 10 device is first configured via JTAG, you can't subsequently reconfigure via a non-JTAG source.
Resolution
To work around this problem, power cycle your Intel® Stratix® 10 device if the failure occurs.
This problem is scheduled to be fixed in a future Intel® Quartus® release.