Internal Error: Sub-system: FDRGN, File: /quartus/fitter/fdrgn/fdrgn_spar_slack_alloc.cpp, Line: 1460

Description

Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 22.4 and earlier, you might see this internal error during fitter Finalize stage.

Resolution

A patch is available to fix this problem for the Intel® Quartus® Prime Pro Edition Software version 22.2. Download and install Patch 0.44  from the following links:

• Intel® Quartus® Prime Pro Edition Software v22.2 Patch 0.44 for Windows (.exe)
• Intel® Quartus® Prime Pro Edition Software v22.2 Patch 0.44 for Linux (.run)
• Readme for Intel® Quartus® Prime Pro Edition Software v22.2 Patch 0.44 (.txt)

This problem is fixed starting with the Intel® Quartus® Prime Pro Edition Software version 23.1.