ID:12752 Perform NLV Preprocess (quartus_npp) before opening the State Machine Viewer.

CAUSE: You attempted to open the State Machine Viewer, but the Quartus Prime software cannot open the State Machine Viewer until NLV Preprocess (quartus_npp) finishes processing your design. Performing NLV Preprocess generates the State Machine netlist needed to generate the data in the State Machine Viewer.

ACTION: Perform NLV Preprocess (quartus_npp) and then open the State Machine Viewer.