Description
In the Intel® Quartus® Prime Pro Edition software version 20.1 and earlier, you may see this error if your design includes files that were encrypted using the Intel® Quartus® Prime Pro edition software version 20.2 or later.
Resolution
To avoid this error, either
- compile the design in the Intel® Quartus® Prime Pro Edition software version 20.2 or later.
- regenerate/reencrypt the files using the Intel® Quartus® Prime Pro edition software version 20.1 or earlier.