运行xyplot后出错

运行library(lattice)

       xyplot(Temp~Ozone, data=airquality)后出现

> library(lattice)

> xyplot(Temp~Ozone, data=airquality)

Error in .Call.graphics(C_palette2, .Call(C_palette2, NULL)) : 

  invalid graphics state

谁可以告诉一下，是为什么，谢谢