Problem of creating a T-xy phase diagram for methanol-water using HYSYS 8.4

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I installed HYSYS V8.4 and bought a textbook on HYSYS, Version 2, by Teacher Sun Lanyi; however, the textbook written by Teacher Sun uses Version V9. Follow the steps in the textbook to work through the phase diagram up to the final step; the message “Update plot” keeps appearing, but the phase diagram is not displayed. The specific steps are as follows: 1. Create a component list ； 2 Define fluid package, property equation NRTL ； 3. Go to the Extensions - Equilibrium Plots module, select T-xy plot, add the Methanol and H2O components, set the pressure to 101.3 Kpa, and click Plot. At this point, the installation guide should show the phase diagram, but at this stage, it keeps displaying a red \"update plot\" below the module. On the left side of the message box below, it shows “op-100 Not solved”, while the right side shows “completed”. I don’t know if there’s a problem with the software or if I did something wrong; I’d appreciate some advice from everyone.