I get stuck every time I use graph builder

I get stuck every time I use graph builder,I don’t know what to do, please help me, thank you, there is a screenshot of my computer configuration in the picture below

at which step exactly do you get stuck? This is not quite clear to me from the screenshots.

When I set up the flow chart, I hit connect Graph and it gets stuck, I don’t know how to solve it ,please help me ,thank you in advance

please try

  • to create the graph without any product opened in SNAP so that the Read module is not already predefined
  • to connect the modules manually
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thank you !!