Why does my Nios® II/e processor design not generate programming files in the Intel® Quartus® Prime Pro Edition Software v19.1?

Description

Due to a problem in the Intel® Quartus® Prime Pro Edition Software v19.1, you may see that designs containing the Nios® II/e processor fail to generate an SRAM Object File (.sof).

The following warning may be seen during compilation: 

Warning(115005): Unlicensed IP: "Nios II Embedded Processor Encrypted output(6AF7 00A2)

Resolution

To work around this problem, download and install the following patch for the Intel® Quartus® Prime Pro Edition Software v19.1:

• Version 19.1 patch 0.02 for Windows (.exe)
• Version 19.1 patch 0.02 for Linux (.run)
• Readme for the Intel® Quartus® Prime Pro Edition Software v19.1 patch 0.02 (.txt)