p <- Predict(rms_surv_fit, age=seq(50, 70, times=20),
             sex=c("Male", "Female"), fun=exp)

Warning message:
In seq.default(50, 70, times = 20) :
 extra argument ‘times’ will be disregarded

Error in plot.Predict(p, ~age | sex, col = "black", col.fill = gray(seq(0.8,  :
  could not find function "plot.Predict"