Running examples in 'ape-Ex.R' failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: bind.tree
> ### Title: Binds Trees
> ### Aliases: bind.tree +.phylo
> ### Keywords: manip
> 
> ### ** Examples
> 
> ### binds the two clades of bird orders
> cat("((Struthioniformes:21.8,Tinamiformes:21.8):4.1,",
+     "((Craciformes:21.6,Galliformes:21.6):1.3,Anseriformes:22.9):3.0):2.1;",
+     file = "ex1.tre", sep = "\n")
> cat("(Turniciformes:27.0,(Piciformes:26.3,((Galbuliformes:24.4,",
+     "((Bucerotiformes:20.8,Upupiformes:20.8):2.6,",
+     "(Trogoniformes:22.1,Coraciiformes:22.1):1.3):1.0):0.6,",
+     "(Coliiformes:24.5,(Cuculiformes:23.7,(Psittaciformes:23.1,",
+     "(((Apodiformes:21.3,Trochiliformes:21.3):0.6,",
+     "(Musophagiformes:20.4,Strigiformes:20.4):1.5):0.6,",
+     "((Columbiformes:20.8,(Gruiformes:20.1,Ciconiiformes:20.1):0.7):0.8,",
+     "Passeriformes:21.6):0.9):0.6):0.6):0.8):0.5):1.3):0.7):1.0;",
+     file = "ex2.tre", sep = "\n")
> tree.bird1 <- read.tree("ex1.tre")
> tree.bird2 <- read.tree("ex2.tre")
> unlink(c("ex1.tre", "ex2.tre")) # clean-up
> (birds <- tree.bird1 + tree.bird2)

Phylogenetic tree with 23 tips and 22 internal nodes.

Tip labels:
	Struthioniformes, Tinamiformes, Craciformes, Galliformes, Anseriformes, Turniciformes, ...

Rooted; includes branch lengths.
> layout(matrix(c(1, 2, 3, 3), 2, 2))
> plot(tree.bird1)
> plot(tree.bird2)
> plot(birds)
> 
> ### examples with random trees
> x <- rtree(4, tip.label = LETTERS[1:4])
> y <- rtree(4, tip.label = LETTERS[5:8])
> x <- makeNodeLabel(x, prefix = "x_")
> y <- makeNodeLabel(y, prefix = "y_")
> x$root.edge <- y$root.edge <- .2
> 
> z <- bind.tree(x, y, po=.2)
> plot(y, show.node.label = TRUE, font = 1, root.edge = TRUE)
> title("y")
> plot(x, show.node.label = TRUE, font = 1, root.edge = TRUE)
> title("x")
> plot(z, show.node.label = TRUE, font = 1, root.edge = TRUE)
> title("z <- bind.tree(x, y, po=.2)")
> 
> z <- bind.tree(x, y, 2, .1)
Error in bind.tree(x, y, 2, 0.1) : 
  'position' is larger than the branch length
Execution halted