ID:12683 Perform analysis and elaboration before opening the State Machine Viewer.
CAUSE: You attempted to open the State Machine Viewer. However, the Intel Quartus Prime software cannot open the State Machine Viewer until Analysis & Elaboration completes processing the design. Performing Analysis & Elaboration generates the RTL netlist, which is required to generate data in the State Machine Viewer.
ACTION: Perform Analysis & Elaboration and then open the State Machine Viewer.