Description
Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 18.0 Update 1 and earlier, you might see this error at the Analysis & Synthesis stage.
Resolution
To work around this problem, fix the Warning ID:16788 by assigning a value to the specified net.
Warning ID:16788 Net "<name>" does not have a driver at <location>
Fix:
<name> = 1'b0 ; // set the net to ground.
This problem is fixed starting with the Intel® Quartus® Prime Pro Edition Software version 18.1.