Due to a problem in the Intel® Quartus® Prime Standard Edition Software version 16.1 and earlier, you may see this intermittent error during the fitter when using imported Quartus Prime Exported Partition File (.qxp) with setting fitter preservation level to routing and placement.
A patch is available to fix this problem in the Intel® Quartus® Prime Standard Edition Software version 15.1.2. Download and install patch 2.39 from the appropriate link below. Be sure to read the readme for additional information. Before applying this patch, you must download and install patch 2.39 from the related solution below.
- Download the version 15.1.2 patch 2.39 for Windows (.exe)
- Download the version 15.1.2 patch 2.39 for Linux (.tar)
- Download the Readme for the Quartus Prime Standard software version 15.1.2 patch 2.39 (.txt)
This problem is fixed starting with the Intel® Quartus® Prime Standard Edition Software version 17.0.