R Language: How to Solve featureplot function Error

This kind of error occurs when you run the featureplot function and want to generate a scatter diagram using ellipses, but the image cannot be generated due to the lack of ellipsse package. The error code is

Error in grid.Call.graphics(C_downviewport, name$name, strict) : 
  Viewport 'plot_01.panel.1.1.off.vp' was not found

Solution: only install the ellipse package, not the library, and then rerun the previous featureplot function.

install.packages("ellipse")

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