Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 23.2 and earlier, you might get this error during Retime when compiling your design.
This problem was fixed in the Intel® Quartus® Prime Pro Edition Software v23.3.
To workaround this problem in version 23.2, download and install patch 0.02 for the Intel® Quartus® Prime Pro Edition Software version 23.2 from the appropriate link below:
Download patch Intel® Quartus® Prime Pro Edition Software 23.2 Patch 0.02 for Windows (.exe).
Download patch Intel® Quartus® Prime Pro Edition Software 23.2 Patch 0.02 for Linux (.run).
Download the Readme for Intel® Quartus® Prime Pro Edition Software 23.2 Patch 0.02 (.txt).