r - Unable to view plot(which=all) -


i have following code:

cny <- read.csv(file="cny % returns.csv", head=true, sep=",")  arimacny <- forecast::auto.arima(x=cny[,2], trace=true, ic="aic")  spec1 <- ugarchspec(variance.model = list(model = "sgarch", garchorder = c(1,1),   submodel = null, external.regressors = null, variance.targeting = false),   mean.model = list(armaorder = c(3, 3), include.mean = true, archm = false, arfima = false, external.regressors = null, archex = false),   distribution.model = "norm")  fit1 <- ugarchfit(spec=spec1, cny, out.sample = 0, solver = "hybrid")  print(ugarchfit(spec=spec1, data=cny))

when using: 

plot(fit1, which=all)

my quartz window appears blank. able plot each graph individually no issues.

why plot(fit1,which=all) function not working me?

data: https://drive.google.com/folderview?id=0b8y_q8lz-e_bvgpxbhdomk11wms&usp=sharing


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